125566452 has 36 divisors (see below), whose sum is σ = 346260096. Its totient is φ = 38050320.

The previous prime is 125566439. The next prime is 125566489. The reversal of 125566452 is 254665521.

125566452 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 6 + 645 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158148 + ... + 158939.

It is an arithmetic number, because the mean of its divisors is an integer number (9618336).

Almost surely, 2^125566452 is an apocalyptic number.

125566452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125566452 is an abundant number, since it is smaller than the sum of its proper divisors (220693644).

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

125566452 is a wasteful number, since it uses less digits than its factorization.

125566452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317108 (or 317103 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 125566452 is about 11205.6437566076. The cubic root of 125566452 is about 500.7541313334.

The spelling of 125566452 in words is "one hundred twenty-five million, five hundred sixty-six thousand, four hundred fifty-two".