1056194957 has 2 divisors, whose sum is σ = 1056194958. Its totient is φ = 1056194956.

The previous prime is 1056194927. The next prime is 1056194959. The reversal of 1056194957 is 7594916501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 870309001 + 185885956 = 29501^2 + 13634^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056194957 - 2¹⁰ = 1056193933 is a prime.

It is a super-2 number, since 2×1056194957² = 2231095574384463698, which contains 22 as substring.

Together with 1056194959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056194959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528097478 + 528097479.

It is an arithmetic number, because the mean of its divisors is an integer number (528097479).

Almost surely, 2^1056194957 is an apocalyptic number.

It is an amenable number.

1056194957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056194957 is an equidigital number, since it uses as much as digits as its factorization.

1056194957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 1056194957 is about 32499.1531735828. The cubic root of 1056194957 is about 1018.3913374695.

The spelling of 1056194957 in words is "one billion, fifty-six million, one hundred ninety-four thousand, nine hundred fifty-seven".