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122020110 = 23252946751
BaseRepresentation
bin1110100010111…
…10000100001110
322111121021010100
413101132010032
5222214120420
620035151530
73011103522
oct721360416
9274537110
10122020110
1162971573
1234a455a6
131c383564
14122c3d82
15aaa4190
hex745e10e

122020110 has 48 divisors (see below), whose sum is σ = 328199040. Its totient is φ = 31416000.

The previous prime is 122020097. The next prime is 122020127. The reversal of 122020110 is 11020221.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 122020092 and 122020101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20766 + ... + 25985.

It is an arithmetic number, because the mean of its divisors is an integer number (6837480).

Almost surely, 2122020110 is an apocalyptic number.

122020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122020110 is an abundant number, since it is smaller than the sum of its proper divisors (206178930).

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

122020110 is a wasteful number, since it uses less digits than its factorization.

122020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46793 (or 46790 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 122020110 is about 11046.2713166027. The cubic root of 122020110 is about 495.9948160011.

Adding to 122020110 its reverse (11020221), we get a palindrome (133040331).

The spelling of 122020110 in words is "one hundred twenty-two million, twenty thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 29 30 45 58 87 90 145 174 261 290 435 522 870 1305 2610 46751 93502 140253 233755 280506 420759 467510 701265 841518 1355779 1402530 2103795 2711558 4067337 4207590 6778895 8134674 12202011 13557790 20336685 24404022 40673370 61010055 122020110