1042045997 has 16 divisors (see below), whose sum is σ = 1086024192. Its totient is φ = 998775360.

The previous prime is 1042045973. The next prime is 1042046039. The reversal of 1042045997 is 7995402401.

It is not a de Polignac number, because 1042045997 - 2²² = 1037851693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042045397) 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, 2624603 + ... + 2624999.

It is an arithmetic number, because the mean of its divisors is an integer number (67876512).

Almost surely, 2^1042045997 is an apocalyptic number.

It is an amenable number.

1042045997 is a deficient number, since it is larger than the sum of its proper divisors (43978195).

1042045997 is a wasteful number, since it uses less digits than its factorization.

1042045997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1042045997 is about 32280.7372437496. The cubic root of 1042045997 is about 1013.8233663935.

The spelling of 1042045997 in words is "one billion, forty-two million, forty-five thousand, nine hundred ninety-seven".