130124402 has 4 divisors (see below), whose sum is σ = 195186606. Its totient is φ = 65062200.

The previous prime is 130124389. The next prime is 130124417. The reversal of 130124402 is 204421031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204421031 = 5023 ⋅40697.

It can be written as a sum of positive squares in only one way, i.e., 118352641 + 11771761 = 10879^2 + 3431^2 .

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 as a sum of consecutive naturals, namely, 32531099 + ... + 32531102.

Almost surely, 2^130124402 is an apocalyptic number.

130124402 is a deficient number, since it is larger than the sum of its proper divisors (65062204).

130124402 is an equidigital number, since it uses as much as digits as its factorization.

130124402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65062203.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 130124402 is about 11407.2083350836. The cubic root of 130124402 is about 506.7412389276.

Adding to 130124402 its reverse (204421031), we get a palindrome (334545433).

The spelling of 130124402 in words is "one hundred thirty million, one hundred twenty-four thousand, four hundred two".