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1422120120 = 233513985259
BaseRepresentation
bin101010011000011…
…1101010010111000
310200002222012001120
41110300331102320
510403030320440
6353040545240
750145551541
oct12460752270
93602865046
101422120120
1166a827993
12338322220
13198824bc5
14d6c2d4c8
1584cb3dd0
hex54c3d4b8

1422120120 has 64 divisors (see below), whose sum is σ = 4297104000. Its totient is φ = 376499328.

The previous prime is 1422120101. The next prime is 1422120121. The reversal of 1422120120 is 210212241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1422120120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422120121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25950 + ... + 59309.

It is an arithmetic number, because the mean of its divisors is an integer number (67142250).

Almost surely, 21422120120 is an apocalyptic number.

1422120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422120120 is an abundant number, since it is smaller than the sum of its proper divisors (2874983880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422120120 is a wasteful number, since it uses less digits than its factorization.

1422120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85412 (or 85408 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1422120120 is about 37711.0079419790. The cubic root of 1422120120 is about 1124.5499750658.

Adding to 1422120120 its reverse (210212241), we get a palindrome (1632332361).

The spelling of 1422120120 in words is "one billion, four hundred twenty-two million, one hundred twenty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 139 278 417 556 695 834 1112 1390 1668 2085 2780 3336 4170 5560 8340 16680 85259 170518 255777 341036 426295 511554 682072 852590 1023108 1278885 1705180 2046216 2557770 3410360 5115540 10231080 11851001 23702002 35553003 47404004 59255005 71106006 94808008 118510010 142212012 177765015 237020020 284424024 355530030 474040040 711060060 1422120120