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1432123121 = 111310014847
BaseRepresentation
bin101010101011100…
…0111011011110001
310200210210101121002
41111113013123301
510413110414441
6354035211345
750326563032
oct12527073361
93623711532
101432123121
1167543a330
1233b746b55
1319a917c40
14d82b4a89
1585adcb9b
hex555c76f1

1432123121 has 8 divisors (see below), whose sum is σ = 1682494464. Its totient is φ = 1201781520.

The previous prime is 1432123103. The next prime is 1432123183. The reversal of 1432123121 is 1213212341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1432123121 - 218 = 1431860977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1432123093 and 1432123102.

It is not an unprimeable number, because it can be changed into a prime (1432123621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5007281 + ... + 5007566.

It is an arithmetic number, because the mean of its divisors is an integer number (210311808).

Almost surely, 21432123121 is an apocalyptic number.

1432123121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1432123121 is a deficient number, since it is larger than the sum of its proper divisors (250371343).

1432123121 is a wasteful number, since it uses less digits than its factorization.

1432123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10014871.

The product of its digits is 288, while the sum is 20.

The square root of 1432123121 is about 37843.4026086450. The cubic root of 1432123121 is about 1127.1804614301.

Adding to 1432123121 its reverse (1213212341), we get a palindrome (2645335462).

It can be divided in two parts, 143 and 2123121, that multiplied together give a palindrome (303606303).

The spelling of 1432123121 in words is "one billion, four hundred thirty-two million, one hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 11 13 143 10014847 110163317 130193011 1432123121