1042912393 has 2 divisors, whose sum is σ = 1042912394. Its totient is φ = 1042912392.

The previous prime is 1042912361. The next prime is 1042912433. The reversal of 1042912393 is 3932192401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1042773264 + 139129 = 32292^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042912393 - 2⁵ = 1042912361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042912313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521456196 + 521456197.

It is an arithmetic number, because the mean of its divisors is an integer number (521456197).

Almost surely, 2^1042912393 is an apocalyptic number.

It is an amenable number.

1042912393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042912393 is an equidigital number, since it uses as much as digits as its factorization.

1042912393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 1042912393 is about 32294.1541613958. The cubic root of 1042912393 is about 1014.1042654411.

It can be divided in two parts, 10429 and 12393, that added together give a palindrome (22822).

The spelling of 1042912393 in words is "one billion, forty-two million, nine hundred twelve thousand, three hundred ninety-three".