125220252 has 24 divisors (see below), whose sum is σ = 292689936. Its totient is φ = 41667328.

The previous prime is 125220239. The next prime is 125220269. The reversal of 125220252 is 252022521.

It is a super-2 number, since 2×125220252² = 31360223021887008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1683 + ... + 15914.

It is an arithmetic number, because the mean of its divisors is an integer number (12195414).

Almost surely, 2^125220252 is an apocalyptic number.

125220252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125220252 is an abundant number, since it is smaller than the sum of its proper divisors (167469684).

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

125220252 is a wasteful number, since it uses less digits than its factorization.

125220252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18197 (or 18195 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 125220252 is about 11190.1855212503. The cubic root of 125220252 is about 500.2934970186.

Adding to 125220252 its reverse (252022521), we get a palindrome (377242773).

The spelling of 125220252 in words is "one hundred twenty-five million, two hundred twenty thousand, two hundred fifty-two".