1026485979 has 32 divisors (see below), whose sum is σ = 1421337600. Its totient is φ = 658627200.

The previous prime is 1026485951. The next prime is 1026486017. The reversal of 1026485979 is 9795846201.

It is not a de Polignac number, because 1026485979 - 2²⁰ = 1025437403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1026485179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2585409 + ... + 2585805.

It is an arithmetic number, because the mean of its divisors is an integer number (44416800).

Almost surely, 2^1026485979 is an apocalyptic number.

1026485979 is a deficient number, since it is larger than the sum of its proper divisors (394851621).

1026485979 is a wasteful number, since it uses less digits than its factorization.

1026485979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 1026485979 is about 32038.8198752701. The cubic root of 1026485979 is about 1008.7518414889.

The spelling of 1026485979 in words is "one billion, twenty-six million, four hundred eighty-five thousand, nine hundred seventy-nine".