120211979 has 2 divisors, whose sum is σ = 120211980. Its totient is φ = 120211978.

The previous prime is 120211963. The next prime is 120212023. The reversal of 120211979 is 979112021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120211979 - 2⁴ = 120211963 is a prime.

It is not a weakly prime, because it can be changed into another prime (120211909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105989 + 60105990.

It is an arithmetic number, because the mean of its divisors is an integer number (60105990).

Almost surely, 2^120211979 is an apocalyptic number.

120211979 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211979 is an equidigital number, since it uses as much as digits as its factorization.

120211979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 120211979 is about 10964.1223542972. The cubic root of 120211979 is about 493.5326802212.

The spelling of 120211979 in words is "one hundred twenty million, two hundred eleven thousand, nine hundred seventy-nine".