125442102 has 16 divisors (see below), whose sum is σ = 251142192. Its totient is φ = 41771040.

The previous prime is 125442077. The next prime is 125442143. The reversal of 125442102 is 201244521.

It is a congruent number.

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, 4113 + ... + 16364.

It is an arithmetic number, because the mean of its divisors is an integer number (15696387).

Almost surely, 2^125442102 is an apocalyptic number.

125442102 is an abundant number, since it is smaller than the sum of its proper divisors (125700090).

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

125442102 is a wasteful number, since it uses less digits than its factorization.

125442102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21503.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 125442102 is about 11200.0938388926. The cubic root of 125442102 is about 500.5887757474.

Adding to 125442102 its reverse (201244521), we get a palindrome (326686623).

The spelling of 125442102 in words is "one hundred twenty-five million, four hundred forty-two thousand, one hundred two".