120071613 has 4 divisors (see below), whose sum is σ = 160095488. Its totient is φ = 80047740.

The previous prime is 120071603. The next prime is 120071617. The reversal of 120071613 is 316170021.

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 120071613 - 2⁴ = 120071597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120071613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120071617) 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, 20011933 + ... + 20011938.

It is an arithmetic number, because the mean of its divisors is an integer number (40023872).

Almost surely, 2^120071613 is an apocalyptic number.

It is an amenable number.

120071613 is a deficient number, since it is larger than the sum of its proper divisors (40023875).

120071613 is an equidigital number, since it uses as much as digits as its factorization.

120071613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40023874.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 120071613 is about 10957.7193338760. The cubic root of 120071613 is about 493.3405136018.

The spelling of 120071613 in words is "one hundred twenty million, seventy-one thousand, six hundred thirteen".