125705620 has 24 divisors (see below), whose sum is σ = 272498688. Its totient is φ = 48660000.

The previous prime is 125705611. The next prime is 125705621. The reversal of 125705620 is 26507521.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125705621) 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, 100756 + ... + 101995.

It is an arithmetic number, because the mean of its divisors is an integer number (11354112).

Almost surely, 2^125705620 is an apocalyptic number.

125705620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125705620 is an abundant number, since it is smaller than the sum of its proper divisors (146793068).

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

125705620 is a wasteful number, since it uses less digits than its factorization.

125705620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202791 (or 202789 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 125705620 is about 11211.8517649851. The cubic root of 125705620 is about 500.9390618881.

The spelling of 125705620 in words is "one hundred twenty-five million, seven hundred five thousand, six hundred twenty".