125218242 has 24 divisors (see below), whose sum is σ = 271605360. Its totient is φ = 41693400.

The previous prime is 125218231. The next prime is 125218267. The reversal of 125218242 is 242812521.

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, 15609 + ... + 22227.

It is an arithmetic number, because the mean of its divisors is an integer number (11316890).

Almost surely, 2^125218242 is an apocalyptic number.

125218242 is an abundant number, since it is smaller than the sum of its proper divisors (146387118).

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

125218242 is a wasteful number, since it uses less digits than its factorization.

125218242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7678 (or 7675 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 125218242 is about 11190.0957100465. The cubic root of 125218242 is about 500.2908201478.

The spelling of 125218242 in words is "one hundred twenty-five million, two hundred eighteen thousand, two hundred forty-two".