1055628247 has 2 divisors, whose sum is σ = 1055628248. Its totient is φ = 1055628246.

The previous prime is 1055628229. The next prime is 1055628251. The reversal of 1055628247 is 7428265501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1055628247 - 2²³ = 1047239639 is a prime.

It is a super-2 number, since 2×1055628247² = 2228701991728586018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055628547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527814123 + 527814124.

It is an arithmetic number, because the mean of its divisors is an integer number (527814124).

Almost surely, 2^1055628247 is an apocalyptic number.

1055628247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055628247 is an equidigital number, since it uses as much as digits as its factorization.

1055628247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 1055628247 is about 32490.4331611630. The cubic root of 1055628247 is about 1018.2091628297.

The spelling of 1055628247 in words is "one billion, fifty-five million, six hundred twenty-eight thousand, two hundred forty-seven".