1042972979 has 2 divisors, whose sum is σ = 1042972980. Its totient is φ = 1042972978.

The previous prime is 1042972951. The next prime is 1042972993. The reversal of 1042972979 is 9792792401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042972979 - 2²⁴ = 1026195763 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042972919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521486489 + 521486490.

It is an arithmetic number, because the mean of its divisors is an integer number (521486490).

Almost surely, 2^1042972979 is an apocalyptic number.

1042972979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042972979 is an equidigital number, since it uses as much as digits as its factorization.

1042972979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 1042972979 is about 32295.0921813207. The cubic root of 1042972979 is about 1014.1239025432.

The spelling of 1042972979 in words is "one billion, forty-two million, nine hundred seventy-two thousand, nine hundred seventy-nine".