125775504 has 100 divisors (see below), whose sum is σ = 367838064. Its totient is φ = 41487552.

The previous prime is 125775499. The next prime is 125775509. The reversal of 125775504 is 405577521.

It is an interprime number because it is at equal distance from previous prime (125775499) and next prime (125775509).

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

It is not an unprimeable number, because it can be changed into a prime (125775509) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 138219 + ... + 139125.

Almost surely, 2^125775504 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 125775504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183919032).

125775504 is an abundant number, since it is smaller than the sum of its proper divisors (242062560).

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

125775504 is a wasteful number, since it uses less digits than its factorization.

125775504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 125775504 is about 11214.9678555045. The cubic root of 125775504 is about 501.0318743391.

It can be divided in two parts, 12577 and 5504, that added together give a palindrome (18081).

The spelling of 125775504 in words is "one hundred twenty-five million, seven hundred seventy-five thousand, five hundred four".