1042587797 has 2 divisors, whose sum is σ = 1042587798. Its totient is φ = 1042587796.

The previous prime is 1042587773. The next prime is 1042587809. The reversal of 1042587797 is 7977852401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1015951876 + 26635921 = 31874^2 + 5161^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042587797 - 2⁸ = 1042587541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042587757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521293898 + 521293899.

It is an arithmetic number, because the mean of its divisors is an integer number (521293899).

Almost surely, 2^1042587797 is an apocalyptic number.

It is an amenable number.

1042587797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042587797 is an equidigital number, since it uses as much as digits as its factorization.

1042587797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 50.

The square root of 1042587797 is about 32289.1281548449. The cubic root of 1042587797 is about 1013.9990446041. Note that the first 3 decimals are identical.

The spelling of 1042587797 in words is "one billion, forty-two million, five hundred eighty-seven thousand, seven hundred ninety-seven".