130120073 has 4 divisors (see below), whose sum is σ = 131113488. Its totient is φ = 129126660.

The previous prime is 130120063. The next prime is 130120093. The reversal of 130120073 is 370021031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 370021031 = 17 ⋅21765943.

It is a cyclic number.

It is not a de Polignac number, because 130120073 - 2⁸ = 130119817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130120033) 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, 496511 + ... + 496772.

It is an arithmetic number, because the mean of its divisors is an integer number (32778372).

Almost surely, 2^130120073 is an apocalyptic number.

It is an amenable number.

130120073 is a deficient number, since it is larger than the sum of its proper divisors (993415).

130120073 is an equidigital number, since it uses as much as digits as its factorization.

130120073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993414.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 130120073 is about 11407.0185850642. The cubic root of 130120073 is about 506.7356194150.

The spelling of 130120073 in words is "one hundred thirty million, one hundred twenty thousand, seventy-three".