125240442 has 16 divisors (see below), whose sum is σ = 254587872. Its totient is φ = 41062320.

The previous prime is 125240441. The next prime is 125240447. The reversal of 125240442 is 244042521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (125240441) 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, 170728 + ... + 171459.

It is an arithmetic number, because the mean of its divisors is an integer number (15911742).

Almost surely, 2^125240442 is an apocalyptic number.

125240442 is an abundant number, since it is smaller than the sum of its proper divisors (129347430).

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

125240442 is a wasteful number, since it uses less digits than its factorization.

125240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342253.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 125240442 is about 11191.0876147048. The cubic root of 125240442 is about 500.3203839977.

Adding to 125240442 its reverse (244042521), we get a palindrome (369282963).

The spelling of 125240442 in words is "one hundred twenty-five million, two hundred forty thousand, four hundred forty-two".