125770536 has 128 divisors (see below), whose sum is σ = 362880000. Its totient is φ = 40340160.

The previous prime is 125770531. The next prime is 125770549. The reversal of 125770536 is 635077521.

125770536 is a `hidden beast` number, since 1 + 2 + 57 + 70 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 125770536.

It is not an unprimeable number, because it can be changed into a prime (125770531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 904755 + ... + 904893.

It is an arithmetic number, because the mean of its divisors is an integer number (2835000).

Almost surely, 2^125770536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125770536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181440000).

125770536 is an abundant number, since it is smaller than the sum of its proper divisors (237109464).

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

125770536 is a wasteful number, since it uses less digits than its factorization.

125770536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 125770536 is about 11214.7463636054. The cubic root of 125770536 is about 501.0252775084.

It can be divided in two parts, 125 and 770536, that added together give a triangular number (770661 = T₁₂₄₁).

The spelling of 125770536 in words is "one hundred twenty-five million, seven hundred seventy thousand, five hundred thirty-six".