1042094657 has 2 divisors, whose sum is σ = 1042094658. Its totient is φ = 1042094656.

The previous prime is 1042094629. The next prime is 1042094689. The reversal of 1042094657 is 7564902401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987467776 + 54626881 = 31424^2 + 7391^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042094657 - 2⁶ = 1042094593 is a prime.

It is a super-2 number, since 2×1042094657² = 2171922548295895298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1042094657.

It is not a weakly prime, because it can be changed into another prime (1042094057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521047328 + 521047329.

It is an arithmetic number, because the mean of its divisors is an integer number (521047329).

Almost surely, 2^1042094657 is an apocalyptic number.

It is an amenable number.

1042094657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042094657 is an equidigital number, since it uses as much as digits as its factorization.

1042094657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1042094657 is about 32281.4909352093. The cubic root of 1042094657 is about 1013.8391468476.

The spelling of 1042094657 in words is "one billion, forty-two million, ninety-four thousand, six hundred fifty-seven".