1055117 has 12 divisors (see below), whose sum is σ = 1251036. Its totient is φ = 887040.

The previous prime is 1055113. The next prime is 1055137. The reversal of 1055117 is 7115501.

It can be written as a sum of positive squares in 2 ways, for example, as 188356 + 866761 = 434^2 + 931^2 .

It is not a de Polignac number, because 1055117 - 2² = 1055113 is a prime.

It is a super-2 number, since 2×1055117² = 2226543767378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2813 + ... + 3165.

It is an arithmetic number, because the mean of its divisors is an integer number (104253).

2^1055117 is an apocalyptic number.

It is an amenable number.

1055117 is a deficient number, since it is larger than the sum of its proper divisors (195919).

1055117 is an equidigital number, since it uses as much as digits as its factorization.

1055117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 1055117 is about 1027.1888823386. The cubic root of 1055117 is about 101.8044761381.

The spelling of 1055117 in words is "one million, fifty-five thousand, one hundred seventeen".