125503572 has 12 divisors (see below), whose sum is σ = 292841696. Its totient is φ = 41834520.

The previous prime is 125503549. The next prime is 125503577. The reversal of 125503572 is 275305521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×125503572² = 31502293169518368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125503577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5229304 + ... + 5229327.

Almost surely, 2^125503572 is an apocalyptic number.

125503572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125503572 is an abundant number, since it is smaller than the sum of its proper divisors (167338124).

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

125503572 is a wasteful number, since it uses less digits than its factorization.

125503572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10458638 (or 10458636 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 125503572 is about 11202.8376762319. The cubic root of 125503572 is about 500.6705297112.

The spelling of 125503572 in words is "one hundred twenty-five million, five hundred three thousand, five hundred seventy-two".