1042422003257 has 2 divisors, whose sum is σ = 1042422003258. Its totient is φ = 1042422003256.

The previous prime is 1042422003191. The next prime is 1042422003263. The reversal of 1042422003257 is 7523002242401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 905306578576 + 137115424681 = 951476^2 + 370291^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042422003257 - 2¹⁴ = 1042421986873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042422003157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521211001628 + 521211001629.

It is an arithmetic number, because the mean of its divisors is an integer number (521211001629).

Almost surely, 2^{1042422003257} is an apocalyptic number.

It is an amenable number.

1042422003257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042422003257 is an equidigital number, since it uses as much as digits as its factorization.

1042422003257 is an evil number, because the sum of its binary digits is even.

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

Adding to 1042422003257 its reverse (7523002242401), we get a palindrome (8565424245658).

The spelling of 1042422003257 in words is "one trillion, forty-two billion, four hundred twenty-two million, three thousand, two hundred fifty-seven".