130121122 has 4 divisors (see below), whose sum is σ = 195181686. Its totient is φ = 65060560.

The previous prime is 130121099. The next prime is 130121149. The reversal of 130121122 is 221121031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221121031 = 19 ⋅11637949.

It can be written as a sum of positive squares in only one way, i.e., 113401201 + 16719921 = 10649^2 + 4089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32530279 + ... + 32530282.

Almost surely, 2^130121122 is an apocalyptic number.

130121122 is a deficient number, since it is larger than the sum of its proper divisors (65060564).

130121122 is an equidigital number, since it uses as much as digits as its factorization.

130121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65060563.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 130121122 is about 11407.0645654349. The cubic root of 130121122 is about 506.7369811425.

Adding to 130121122 its reverse (221121031), we get a palindrome (351242153).

Subtracting 130121122 from its reverse (221121031), we obtain a palindrome (90999909).

The spelling of 130121122 in words is "one hundred thirty million, one hundred twenty-one thousand, one hundred twenty-two".