1055630687 has 2 divisors, whose sum is σ = 1055630688. Its totient is φ = 1055630686.

The previous prime is 1055630659. The next prime is 1055630699. The reversal of 1055630687 is 7860365501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1055630687 - 2¹⁸ = 1055368543 is a prime.

It is a super-2 number, since 2×1055630687² = 2228712294672183938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055630087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527815343 + 527815344.

It is an arithmetic number, because the mean of its divisors is an integer number (527815344).

Almost surely, 2^1055630687 is an apocalyptic number.

1055630687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055630687 is an equidigital number, since it uses as much as digits as its factorization.

1055630687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 1055630687 is about 32490.4707106561. The cubic root of 1055630687 is about 1018.2099473321.

The spelling of 1055630687 in words is "one billion, fifty-five million, six hundred thirty thousand, six hundred eighty-seven".