125551224 has 48 divisors (see below), whose sum is σ = 344354400. Its totient is φ = 41318784.

The previous prime is 125551211. The next prime is 125551229. The reversal of 125551224 is 422155521.

125551224 is a `hidden beast` number, since 125 + 5 + 512 + 24 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125551229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5349 + ... + 16724.

It is an arithmetic number, because the mean of its divisors is an integer number (7174050).

Almost surely, 2^125551224 is an apocalyptic number.

It is an amenable number.

125551224 is an abundant number, since it is smaller than the sum of its proper divisors (218803176).

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

125551224 is a wasteful number, since it uses less digits than its factorization.

125551224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22164 (or 22157 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 125551224 is about 11204.9642569711. The cubic root of 125551224 is about 500.7338876242.

The spelling of 125551224 in words is "one hundred twenty-five million, five hundred fifty-one thousand, two hundred twenty-four".