1042125317 has 2 divisors, whose sum is σ = 1042125318. Its totient is φ = 1042125316.

The previous prime is 1042125283. The next prime is 1042125367. The reversal of 1042125317 is 7135212401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 592727716 + 449397601 = 24346^2 + 21199^2 .

It is an emirp because it is prime and its reverse (7135212401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042125317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042125367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521062658 + 521062659.

It is an arithmetic number, because the mean of its divisors is an integer number (521062659).

Almost surely, 2^1042125317 is an apocalyptic number.

It is an amenable number.

1042125317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042125317 is an equidigital number, since it uses as much as digits as its factorization.

1042125317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1042125317 is about 32281.9658168458. The cubic root of 1042125317 is about 1013.8490896435.

Adding to 1042125317 its reverse (7135212401), we get a palindrome (8177337718).

The spelling of 1042125317 in words is "one billion, forty-two million, one hundred twenty-five thousand, three hundred seventeen".