125303556 has 48 divisors (see below), whose sum is σ = 351733760. Its totient is φ = 33916320.

The previous prime is 125303531. The next prime is 125303557. The reversal of 125303556 is 655303521.

It is a super-2 number, since 2×125303556² = 31401962292490272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125303557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37660 + ... + 40851.

Almost surely, 2^125303556 is an apocalyptic number.

It is an amenable number.

125303556 is an abundant number, since it is smaller than the sum of its proper divisors (226430204).

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

125303556 is a wasteful number, since it uses less digits than its factorization.

125303556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78544 (or 78542 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 125303556 is about 11193.9070927000. The cubic root of 125303556 is about 500.4044141435.

The spelling of 125303556 in words is "one hundred twenty-five million, three hundred three thousand, five hundred fifty-six".