1042203201257 has 2 divisors, whose sum is σ = 1042203201258. Its totient is φ = 1042203201256.

The previous prime is 1042203201211. The next prime is 1042203201313. The reversal of 1042203201257 is 7521023022401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 549123978841 + 493079222416 = 741029^2 + 702196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042203201257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042203207257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521101600628 + 521101600629.

It is an arithmetic number, because the mean of its divisors is an integer number (521101600629).

Almost surely, 2^{1042203201257} is an apocalyptic number.

It is an amenable number.

1042203201257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042203201257 is an equidigital number, since it uses as much as digits as its factorization.

1042203201257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 1042203201257 its reverse (7521023022401), we get a palindrome (8563226223658).

The spelling of 1042203201257 in words is "one trillion, forty-two billion, two hundred three million, two hundred one thousand, two hundred fifty-seven".