1042157663 has 2 divisors, whose sum is σ = 1042157664. Its totient is φ = 1042157662.

The previous prime is 1042157653. The next prime is 1042157689. The reversal of 1042157663 is 3667512401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042157663 - 2⁸ = 1042157407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042157653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521078831 + 521078832.

It is an arithmetic number, because the mean of its divisors is an integer number (521078832).

Almost surely, 2^1042157663 is an apocalyptic number.

1042157663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042157663 is an equidigital number, since it uses as much as digits as its factorization.

1042157663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1042157663 is about 32282.4668047533. The cubic root of 1042157663 is about 1013.8595789844.

The spelling of 1042157663 in words is "one billion, forty-two million, one hundred fifty-seven thousand, six hundred sixty-three".