125131022 has 4 divisors (see below), whose sum is σ = 187696536. Its totient is φ = 62565510.

The previous prime is 125130991. The next prime is 125131037. The reversal of 125131022 is 220131521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31282754 + ... + 31282757.

It is an arithmetic number, because the mean of its divisors is an integer number (46924134).

Almost surely, 2^125131022 is an apocalyptic number.

125131022 is a deficient number, since it is larger than the sum of its proper divisors (62565514).

125131022 is an equidigital number, since it uses as much as digits as its factorization.

125131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62565513.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 125131022 is about 11186.1978348320. The cubic root of 125131022 is about 500.1746349981.

Adding to 125131022 its reverse (220131521), we get a palindrome (345262543).

The spelling of 125131022 in words is "one hundred twenty-five million, one hundred thirty-one thousand, twenty-two".