130121049 has 4 divisors (see below), whose sum is σ = 173494736. Its totient is φ = 86747364.

The previous prime is 130121023. The next prime is 130121059. The reversal of 130121049 is 940121031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 130121049 - 2¹⁵ = 130088281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130121059) 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, 21686839 + ... + 21686844.

It is an arithmetic number, because the mean of its divisors is an integer number (43373684).

Almost surely, 2^130121049 is an apocalyptic number.

It is an amenable number.

130121049 is a deficient number, since it is larger than the sum of its proper divisors (43373687).

130121049 is an equidigital number, since it uses as much as digits as its factorization.

130121049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43373686.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 130121049 is about 11407.0613656629. The cubic root of 130121049 is about 506.7368863800.

The spelling of 130121049 in words is "one hundred thirty million, one hundred twenty-one thousand, forty-nine".