1055911 has 2 divisors, whose sum is σ = 1055912. Its totient is φ = 1055910.

The previous prime is 1055897. The next prime is 1055917. The reversal of 1055911 is 1195501.

It is a strong prime.

It is an emirp because it is prime and its reverse (1195501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1055911 - 2⁷ = 1055783 is a prime.

It is a super-2 number, since 2×1055911² = 2229896079842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527955 + 527956.

It is an arithmetic number, because the mean of its divisors is an integer number (527956).

2^1055911 is an apocalyptic number.

1055911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055911 is an equidigital number, since it uses as much as digits as its factorization.

1055911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 22.

The square root of 1055911 is about 1027.5753013770. The cubic root of 1055911 is about 101.8300064778.

The spelling of 1055911 in words is "one million, fifty-five thousand, nine hundred eleven".