125886520 has 32 divisors (see below), whose sum is σ = 285761520. Its totient is φ = 49907200.

The previous prime is 125886517. The next prime is 125886559. The reversal of 125886520 is 25688521.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 125886520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9406 + ... + 18445.

Almost surely, 2^125886520 is an apocalyptic number.

125886520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125886520 is an abundant number, since it is smaller than the sum of its proper divisors (159875000).

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

125886520 is a wasteful number, since it uses less digits than its factorization.

125886520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27975 (or 27971 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 125886520 is about 11219.9162207211. The cubic root of 125886520 is about 501.1792432509.

It can be divided in two parts, 1258 and 86520, that added together give a palindrome (87778).

The spelling of 125886520 in words is "one hundred twenty-five million, eight hundred eighty-six thousand, five hundred twenty".