125157218 has 16 divisors (see below), whose sum is σ = 199372320. Its totient is φ = 58758336.

The previous prime is 125157217. The next prime is 125157223. The reversal of 125157218 is 812751521.

It is not an unprimeable number, because it can be changed into a prime (125157217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10280 + ... + 18867.

It is an arithmetic number, because the mean of its divisors is an integer number (12460770).

Almost surely, 2^125157218 is an apocalyptic number.

125157218 is a deficient number, since it is larger than the sum of its proper divisors (74215102).

125157218 is a wasteful number, since it uses less digits than its factorization.

125157218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29281.

The product of its digits is 5600, while the sum is 32.

The square root of 125157218 is about 11187.3686807935. The cubic root of 125157218 is about 500.2095361769.

The spelling of 125157218 in words is "one hundred twenty-five million, one hundred fifty-seven thousand, two hundred eighteen".