1055081947 has 2 divisors, whose sum is σ = 1055081948. Its totient is φ = 1055081946.

The previous prime is 1055081891. The next prime is 1055081957. The reversal of 1055081947 is 7491805501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1055081947 - 2¹⁵ = 1055049179 is a prime.

It is a super-2 number, since 2×1055081947² = 2226395829770621618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055081957) 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, 527540973 + 527540974.

It is an arithmetic number, because the mean of its divisors is an integer number (527540974).

Almost surely, 2^1055081947 is an apocalyptic number.

1055081947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055081947 is an equidigital number, since it uses as much as digits as its factorization.

1055081947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 1055081947 is about 32482.0249830579. The cubic root of 1055081947 is about 1018.0334874599.

The spelling of 1055081947 in words is "one billion, fifty-five million, eighty-one thousand, nine hundred forty-seven".