1042434257 has 2 divisors, whose sum is σ = 1042434258. Its totient is φ = 1042434256.

The previous prime is 1042434223. The next prime is 1042434331. The reversal of 1042434257 is 7524342401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1026625681 + 15808576 = 32041^2 + 3976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042434257 - 2⁶ = 1042434193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042436257) 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, 521217128 + 521217129.

It is an arithmetic number, because the mean of its divisors is an integer number (521217129).

Almost surely, 2^1042434257 is an apocalyptic number.

It is an amenable number.

1042434257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042434257 is an equidigital number, since it uses as much as digits as its factorization.

1042434257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 1042434257 is about 32286.7504868483. The cubic root of 1042434257 is about 1013.9492655648.

Adding to 1042434257 its reverse (7524342401), we get a palindrome (8566776658).

The spelling of 1042434257 in words is "one billion, forty-two million, four hundred thirty-four thousand, two hundred fifty-seven".