1055155 has 8 divisors (see below), whose sum is σ = 1272384. Its totient is φ = 840000.

The previous prime is 1055143. The next prime is 1055167. The reversal of 1055155 is 5515501.

It is an interprime number because it is at equal distance from previous prime (1055143) and next prime (1055167).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055155 - 2¹⁵ = 1022387 is a prime.

It is a super-2 number, since 2×1055155² = 2226704148050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030 + ... + 1780.

It is an arithmetic number, because the mean of its divisors is an integer number (159048).

2^1055155 is an apocalyptic number.

1055155 is a deficient number, since it is larger than the sum of its proper divisors (217229).

1055155 is an equidigital number, since it uses as much as digits as its factorization.

1055155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 1055155 is about 1027.2073792570. The cubic root of 1055155 is about 101.8056982849.

The spelling of 1055155 in words is "one million, fifty-five thousand, one hundred fifty-five".