125545756 has 24 divisors (see below), whose sum is σ = 259751520. Its totient is φ = 51949632.

The previous prime is 125545741. The next prime is 125545769. The reversal of 125545756 is 657545521.

It is a super-2 number, since 2×125545756² = 31523473699223072, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 76495 + ... + 78118.

It is an arithmetic number, because the mean of its divisors is an integer number (10822980).

Almost surely, 2^125545756 is an apocalyptic number.

It is an amenable number.

125545756 is an abundant number, since it is smaller than the sum of its proper divisors (134205764).

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

125545756 is a wasteful number, since it uses less digits than its factorization.

125545756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154653 (or 154651 counting only the distinct ones).

The product of its digits is 210000, while the sum is 40.

The square root of 125545756 is about 11204.7202553210. The cubic root of 125545756 is about 500.7266182071.

The spelling of 125545756 in words is "one hundred twenty-five million, five hundred forty-five thousand, seven hundred fifty-six".