130505124 has 24 divisors (see below), whose sum is σ = 322424928. Its totient is φ = 40942720.

The previous prime is 130505117. The next prime is 130505131. The reversal of 130505124 is 421505031.

It is an interprime number because it is at equal distance from previous prime (130505117) and next prime (130505131).

It is a self number, because there is not a number n which added to its sum of digits gives 130505124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319662 + ... + 320069.

It is an arithmetic number, because the mean of its divisors is an integer number (13434372).

Almost surely, 2^130505124 is an apocalyptic number.

It is an amenable number.

130505124 is an abundant number, since it is smaller than the sum of its proper divisors (191919804).

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

130505124 is a wasteful number, since it uses less digits than its factorization.

130505124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639755 (or 639753 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 130505124 is about 11423.8839279818. The cubic root of 130505124 is about 507.2349707782.

The spelling of 130505124 in words is "one hundred thirty million, five hundred five thousand, one hundred twenty-four".