130122531 has 80 divisors (see below), whose sum is σ = 250533888. Its totient is φ = 65318400.

The previous prime is 130122527. The next prime is 130122541. The reversal of 130122531 is 135221031.

130122531 is a `hidden beast` number, since 13 + 0 + 122 + 531 = 666.

It is not a de Polignac number, because 130122531 - 2² = 130122527 is a prime.

It is a super-2 number, since 2×130122531² = 33863746147691922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130122511) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 193011 + ... + 193683.

Almost surely, 2^130122531 is an apocalyptic number.

130122531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130122531 is a deficient number, since it is larger than the sum of its proper divisors (120411357).

130122531 is a wasteful number, since it uses less digits than its factorization.

130122531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 130122531 is about 11407.1263252407. The cubic root of 130122531 is about 506.7388101815.

Adding to 130122531 its reverse (135221031), we get a palindrome (265343562).

It can be divided in two parts, 1301 and 22531, that added together give a palindrome (23832).

The spelling of 130122531 in words is "one hundred thirty million, one hundred twenty-two thousand, five hundred thirty-one".