1102020979 has 2 divisors, whose sum is σ = 1102020980. Its totient is φ = 1102020978.

The previous prime is 1102020973. The next prime is 1102021003. The reversal of 1102020979 is 9790202011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102020979 - 2⁵ = 1102020947 is a prime.

It is a super-2 number, since 2×1102020979² = 2428900476312236882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1102020979.

It is not a weakly prime, because it can be changed into another prime (1102020973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551010489 + 551010490.

It is an arithmetic number, because the mean of its divisors is an integer number (551010490).

Almost surely, 2^1102020979 is an apocalyptic number.

1102020979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102020979 is an equidigital number, since it uses as much as digits as its factorization.

1102020979 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 1102020979 is about 33196.7013270897. The cubic root of 1102020979 is about 1032.9119154872.

The spelling of 1102020979 in words is "one billion, one hundred two million, twenty thousand, nine hundred seventy-nine".