125523130 has 16 divisors (see below), whose sum is σ = 226076040. Its totient is φ = 50179392.

The previous prime is 125523127. The next prime is 125523131. The reversal of 125523130 is 31325521.

It can be written as a sum of positive squares in 4 ways, for example, as 122744241 + 2778889 = 11079^2 + 1667^2 .

It is not an unprimeable number, because it can be changed into a prime (125523131) by changing a digit.

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, 23116 + ... + 28024.

Almost surely, 2^125523130 is an apocalyptic number.

125523130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125523130 is a deficient number, since it is larger than the sum of its proper divisors (100552910).

125523130 is a wasteful number, since it uses less digits than its factorization.

125523130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 125523130 is about 11203.7105460646. The cubic root of 125523130 is about 500.6965358916.

Adding to 125523130 its reverse (31325521), we get a palindrome (156848651).

The spelling of 125523130 in words is "one hundred twenty-five million, five hundred twenty-three thousand, one hundred thirty".