125167920 has 40 divisors (see below), whose sum is σ = 388021296. Its totient is φ = 33378048.

The previous prime is 125167907. The next prime is 125167921. The reversal of 125167920 is 29761521.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (125167921) 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, 260527 + ... + 261006.

Almost surely, 2^125167920 is an apocalyptic number.

125167920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125167920 is an abundant number, since it is smaller than the sum of its proper divisors (262853376).

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

125167920 is a wasteful number, since it uses less digits than its factorization.

125167920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521549 (or 521543 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 125167920 is about 11187.8469778595. The cubic root of 125167920 is about 500.2237931516.

The spelling of 125167920 in words is "one hundred twenty-five million, one hundred sixty-seven thousand, nine hundred twenty".