130124442 has 32 divisors (see below), whose sum is σ = 298726272. Its totient is φ = 37016064.

The previous prime is 130124437. The next prime is 130124459. The reversal of 130124442 is 244421031.

It is a super-2 number, since 2×130124442² = 33864740811622728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3138 + ... + 16434.

It is an arithmetic number, because the mean of its divisors is an integer number (9335196).

Almost surely, 2^130124442 is an apocalyptic number.

130124442 is an abundant number, since it is smaller than the sum of its proper divisors (168601830).

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

130124442 is a wasteful number, since it uses less digits than its factorization.

130124442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13542.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 130124442 is about 11407.2100883608. The cubic root of 130124442 is about 506.7412908513.

Adding to 130124442 its reverse (244421031), we get a palindrome (374545473).

The spelling of 130124442 in words is "one hundred thirty million, one hundred twenty-four thousand, four hundred forty-two".