120656479 has 4 divisors (see below), whose sum is σ = 127006840. Its totient is φ = 114306120.

The previous prime is 120656467. The next prime is 120656483. The reversal of 120656479 is 974656021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974656021 = 313 ⋅3113917.

It is a cyclic number.

It is not a de Polignac number, because 120656479 - 2¹⁷ = 120525407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120656449) 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, 3175152 + ... + 3175189.

It is an arithmetic number, because the mean of its divisors is an integer number (31751710).

Almost surely, 2^120656479 is an apocalyptic number.

120656479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

120656479 is a deficient number, since it is larger than the sum of its proper divisors (6350361).

120656479 is an equidigital number, since it uses as much as digits as its factorization.

120656479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6350360.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 120656479 is about 10984.3743108108. The cubic root of 120656479 is about 494.1402332077.

The spelling of 120656479 in words is "one hundred twenty million, six hundred fifty-six thousand, four hundred seventy-nine".