120279613 has 2 divisors, whose sum is σ = 120279614. Its totient is φ = 120279612.

The previous prime is 120279547. The next prime is 120279629. The reversal of 120279613 is 316972021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101243844 + 19035769 = 10062^2 + 4363^2 .

It is a cyclic number.

It is not a de Polignac number, because 120279613 - 2¹⁷ = 120148541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120279413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60139806 + 60139807.

It is an arithmetic number, because the mean of its divisors is an integer number (60139807).

Almost surely, 2^120279613 is an apocalyptic number.

It is an amenable number.

120279613 is a deficient number, since it is larger than the sum of its proper divisors (1).

120279613 is an equidigital number, since it uses as much as digits as its factorization.

120279613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 120279613 is about 10967.2062531896. The cubic root of 120279613 is about 493.6252204475.

The spelling of 120279613 in words is "one hundred twenty million, two hundred seventy-nine thousand, six hundred thirteen".