1040979771 has 24 divisors (see below), whose sum is σ = 1704531920. Its totient is φ = 606885696.

The previous prime is 1040979769. The next prime is 1040979799. The reversal of 1040979771 is 1779790401.

It is not a de Polignac number, because 1040979771 - 2¹ = 1040979769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040972771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231916 + ... + 236361.

Almost surely, 2^1040979771 is an apocalyptic number.

1040979771 is a deficient number, since it is larger than the sum of its proper divisors (663552149).

1040979771 is a wasteful number, since it uses less digits than its factorization.

1040979771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468315 (or 468312 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 45.

The square root of 1040979771 is about 32264.2181216282. The cubic root of 1040979771 is about 1013.4774655637.

The spelling of 1040979771 in words is "one billion, forty million, nine hundred seventy-nine thousand, seven hundred seventy-one".