125570536 has 96 divisors (see below), whose sum is σ = 302649480. Its totient is φ = 48384000.

The previous prime is 125570521. The next prime is 125570537. The reversal of 125570536 is 635075521.

It can be written as a sum of positive squares in 4 ways, for example, as 75585636 + 49984900 = 8694^2 + 7070^2 .

It is a super-2 number, since 2×125570536² = 31535919022654592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125570537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208636 + ... + 209236.

Almost surely, 2^125570536 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 125570536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151324740).

125570536 is an abundant number, since it is smaller than the sum of its proper divisors (177078944).

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

125570536 is a wasteful number, since it uses less digits than its factorization.

125570536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 125570536 is about 11205.8259847278. The cubic root of 125570536 is about 500.7595602189.

The spelling of 125570536 in words is "one hundred twenty-five million, five hundred seventy thousand, five hundred thirty-six".