125254242 has 32 divisors (see below), whose sum is σ = 279687360. Its totient is φ = 41549760.

The previous prime is 125254237. The next prime is 125254243. The reversal of 125254242 is 242452521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (125254243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5898 + ... + 16890.

It is an arithmetic number, because the mean of its divisors is an integer number (8740230).

Almost surely, 2^125254242 is an apocalyptic number.

125254242 is an abundant number, since it is smaller than the sum of its proper divisors (154433118).

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

125254242 is a wasteful number, since it uses less digits than its factorization.

125254242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11215 (or 11209 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 125254242 is about 11191.7041597783. The cubic root of 125254242 is about 500.3387597651.

The spelling of 125254242 in words is "one hundred twenty-five million, two hundred fifty-four thousand, two hundred forty-two".