1020976939 has 16 divisors (see below), whose sum is σ = 1099215360. Its totient is φ = 944880640.

The previous prime is 1020976937. The next prime is 1020976967. The reversal of 1020976939 is 9396790201.

It is a cyclic number.

It is not a de Polignac number, because 1020976939 - 2¹ = 1020976937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020976937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287217 + ... + 290749.

It is an arithmetic number, because the mean of its divisors is an integer number (68700960).

Almost surely, 2^1020976939 is an apocalyptic number.

1020976939 is a deficient number, since it is larger than the sum of its proper divisors (78238421).

1020976939 is a wasteful number, since it uses less digits than its factorization.

1020976939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 1020976939 is about 31952.7297581912. The cubic root of 1020976939 is about 1006.9439824967.

The spelling of 1020976939 in words is "one billion, twenty million, nine hundred seventy-six thousand, nine hundred thirty-nine".