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120125172 = 22310010431
BaseRepresentation
bin1110010100011…
…11011011110100
322101000222202110
413022033123310
5221223001142
615530411020
72656022106
oct712173364
9271028673
10120125172
1161897902
1234290a70
131bb6bbab
1411d4d576
15a82c99c
hex728f6f4

120125172 has 12 divisors (see below), whose sum is σ = 280292096. Its totient is φ = 40041720.

The previous prime is 120125167. The next prime is 120125191. The reversal of 120125172 is 271521021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005204 + ... + 5005227.

Almost surely, 2120125172 is an apocalyptic number.

120125172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120125172 is an abundant number, since it is smaller than the sum of its proper divisors (160166924).

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

120125172 is a wasteful number, since it uses less digits than its factorization.

120125172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010438 (or 10010436 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 120125172 is about 10960.1629549930. The cubic root of 120125172 is about 493.4138556576.

Adding to 120125172 its reverse (271521021), we get a palindrome (391646193).

The spelling of 120125172 in words is "one hundred twenty million, one hundred twenty-five thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 10010431 20020862 30031293 40041724 60062586 120125172