1057170407 has 2 divisors, whose sum is σ = 1057170408. Its totient is φ = 1057170406.

The previous prime is 1057170403. The next prime is 1057170487. The reversal of 1057170407 is 7040717501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1057170407 - 2² = 1057170403 is a prime.

It is a super-2 number, since 2×1057170407² = 2235218538873091298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057170403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528585203 + 528585204.

It is an arithmetic number, because the mean of its divisors is an integer number (528585204).

Almost surely, 2^1057170407 is an apocalyptic number.

1057170407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057170407 is an equidigital number, since it uses as much as digits as its factorization.

1057170407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6860, while the sum is 32.

The square root of 1057170407 is about 32514.1570242871. The cubic root of 1057170407 is about 1018.7047531462.

Adding to 1057170407 its reverse (7040717501), we get a palindrome (8097887908).

The spelling of 1057170407 in words is "one billion, fifty-seven million, one hundred seventy thousand, four hundred seven".