201120979 has 2 divisors, whose sum is σ = 201120980. Its totient is φ = 201120978.

The previous prime is 201120971. The next prime is 201120989. The reversal of 201120979 is 979021102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201120979 - 2³ = 201120971 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201120979.

It is not a weakly prime, because it can be changed into another prime (201120971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560489 + 100560490.

It is an arithmetic number, because the mean of its divisors is an integer number (100560490).

Almost surely, 2^201120979 is an apocalyptic number.

201120979 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120979 is an equidigital number, since it uses as much as digits as its factorization.

201120979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 201120979 is about 14181.7128373127. The cubic root of 201120979 is about 585.8941001891.

The spelling of 201120979 in words is "two hundred one million, one hundred twenty thousand, nine hundred seventy-nine".