1056494947 has 2 divisors, whose sum is σ = 1056494948. Its totient is φ = 1056494946.

The previous prime is 1056494863. The next prime is 1056494983. The reversal of 1056494947 is 7494946501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1056494947 - 2²⁷ = 922277219 is a prime.

It is a super-2 number, since 2×1056494947² = 2232363146073065618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1056494947.

It is not a weakly prime, because it can be changed into another prime (1056494987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528247473 + 528247474.

It is an arithmetic number, because the mean of its divisors is an integer number (528247474).

Almost surely, 2^1056494947 is an apocalyptic number.

1056494947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056494947 is an equidigital number, since it uses as much as digits as its factorization.

1056494947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 1056494947 is about 32503.7681969337. The cubic root of 1056494947 is about 1018.4877459010.

The spelling of 1056494947 in words is "one billion, fifty-six million, four hundred ninety-four thousand, nine hundred forty-seven".