1055917 has 2 divisors, whose sum is σ = 1055918. Its totient is φ = 1055916.

The previous prime is 1055911. The next prime is 1055933. The reversal of 1055917 is 7195501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546121 + 509796 = 739^2 + 714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055917 is a prime.

It is a super-2 number, since 2×1055917² = 2229921421778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527958 + 527959.

It is an arithmetic number, because the mean of its divisors is an integer number (527959).

2^1055917 is an apocalyptic number.

It is an amenable number.

1055917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055917 is an equidigital number, since it uses as much as digits as its factorization.

1055917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 1055917 is about 1027.5782208669. The cubic root of 1055917 is about 101.8301993536.

The spelling of 1055917 in words is "one million, fifty-five thousand, nine hundred seventeen".