1072684979 has 2 divisors, whose sum is σ = 1072684980. Its totient is φ = 1072684978.

The previous prime is 1072684933. The next prime is 1072684981. The reversal of 1072684979 is 9794862701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1072684979 - 2²⁰ = 1071636403 is a prime.

It is a Sophie Germain prime.

Together with 1072684981, it forms a pair of twin primes.

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 1072684979.

It is not a weakly prime, because it can be changed into another prime (1072684999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536342489 + 536342490.

It is an arithmetic number, because the mean of its divisors is an integer number (536342490).

Almost surely, 2^1072684979 is an apocalyptic number.

1072684979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072684979 is an equidigital number, since it uses as much as digits as its factorization.

1072684979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 1072684979 is about 32751.8698550174. The cubic root of 1072684979 is about 1023.6639277370.

The spelling of 1072684979 in words is "one billion, seventy-two million, six hundred eighty-four thousand, nine hundred seventy-nine".