130124251 has 4 divisors (see below), whose sum is σ = 132066472. Its totient is φ = 128182032.

The previous prime is 130124243. The next prime is 130124261. The reversal of 130124251 is 152421031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130124251 - 2³ = 130124243 is a prime.

It is a super-2 number, since 2×130124251² = 33864641396622002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130124231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971010 + ... + 971143.

It is an arithmetic number, because the mean of its divisors is an integer number (33016618).

Almost surely, 2^130124251 is an apocalyptic number.

130124251 is a deficient number, since it is larger than the sum of its proper divisors (1942221).

130124251 is an equidigital number, since it uses as much as digits as its factorization.

130124251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942220.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 130124251 is about 11407.2017164597. The cubic root of 130124251 is about 506.7410429153.

Adding to 130124251 its reverse (152421031), we get a palindrome (282545282).

It can be divided in two parts, 1301 and 24251, that added together give a palindrome (25552).

The spelling of 130124251 in words is "one hundred thirty million, one hundred twenty-four thousand, two hundred fifty-one".