125124242 has 16 divisors (see below), whose sum is σ = 191223072. Its totient is φ = 61390560.

The previous prime is 125124239. The next prime is 125124271. The reversal of 125124242 is 242421521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35993 + ... + 39315.

It is an arithmetic number, because the mean of its divisors is an integer number (11951442).

Almost surely, 2^125124242 is an apocalyptic number.

125124242 is a deficient number, since it is larger than the sum of its proper divisors (66098830).

125124242 is a wasteful number, since it uses less digits than its factorization.

125124242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673.

The product of its digits is 1280, while the sum is 23.

The square root of 125124242 is about 11185.8947786934. The cubic root of 125124242 is about 500.1656011465.

Adding to 125124242 its reverse (242421521), we get a palindrome (367545763).

The spelling of 125124242 in words is "one hundred twenty-five million, one hundred twenty-four thousand, two hundred forty-two".