1055019947 has 2 divisors, whose sum is σ = 1055019948. Its totient is φ = 1055019946.

The previous prime is 1055019943. The next prime is 1055020033. The reversal of 1055019947 is 7499105501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1055019947 - 2² = 1055019943 is a prime.

It is a super-2 number, since 2×1055019947² = 2226134177135765618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055019943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527509973 + 527509974.

It is an arithmetic number, because the mean of its divisors is an integer number (527509974).

Almost surely, 2^1055019947 is an apocalyptic number.

1055019947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055019947 is an equidigital number, since it uses as much as digits as its factorization.

1055019947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 1055019947 is about 32481.0705950404. The cubic root of 1055019947 is about 1018.0135460981.

The spelling of 1055019947 in words is "one billion, fifty-five million, nineteen thousand, nine hundred forty-seven".