125125242 has 32 divisors (see below), whose sum is σ = 275520960. Its totient is φ = 37566720.

The previous prime is 125125237. The next prime is 125125243. The reversal of 125125242 is 242521521.

It is not an unprimeable number, because it can be changed into a prime (125125243) 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, 1503 + ... + 15890.

It is an arithmetic number, because the mean of its divisors is an integer number (8610030).

Almost surely, 2^125125242 is an apocalyptic number.

125125242 is an abundant number, since it is smaller than the sum of its proper divisors (150395718).

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

125125242 is a wasteful number, since it uses less digits than its factorization.

125125242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17518.

The product of its digits is 1600, while the sum is 24.

The square root of 125125242 is about 11185.9394777551. The cubic root of 125125242 is about 500.1669335935.

Adding to 125125242 its reverse (242521521), we get a palindrome (367646763).

The spelling of 125125242 in words is "one hundred twenty-five million, one hundred twenty-five thousand, two hundred forty-two".