125905920 has 176 divisors, whose sum is σ = 460624128. Its totient is φ = 28753920.

The previous prime is 125905889. The next prime is 125905939. The reversal of 125905920 is 29509521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106935 + ... + 108105.

Almost surely, 2^125905920 is an apocalyptic number.

125905920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125905920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230312064).

125905920 is an abundant number, since it is smaller than the sum of its proper divisors (334718208).

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

125905920 is a wasteful number, since it uses less digits than its factorization.

125905920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 125905920 is about 11220.7807215006. The cubic root of 125905920 is about 501.2049870131.

The spelling of 125905920 in words is "one hundred twenty-five million, nine hundred five thousand, nine hundred twenty".