1000981079 has 16 divisors (see below), whose sum is σ = 1177424640. Its totient is φ = 833251200.

The previous prime is 1000981049. The next prime is 1000981099. The reversal of 1000981079 is 9701890001.

It is a cyclic number.

It is not a de Polignac number, because 1000981079 - 2⁸ = 1000980823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000981019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19679 + ... + 48879.

It is an arithmetic number, because the mean of its divisors is an integer number (73589040).

Almost surely, 2^1000981079 is an apocalyptic number.

1000981079 is a deficient number, since it is larger than the sum of its proper divisors (176443561).

1000981079 is an equidigital number, since it uses as much as digits as its factorization.

1000981079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29350.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 1000981079 is about 31638.2850198932. The cubic root of 1000981079 is about 1000.3269194454.

The spelling of 1000981079 in words is "one billion, nine hundred eighty-one thousand, seventy-nine".