1055271 has 16 divisors (see below), whose sum is σ = 1660928. Its totient is φ = 583200.

The previous prime is 1055269. The next prime is 1055303. The reversal of 1055271 is 1725501.

It is not a de Polignac number, because 1055271 - 2¹ = 1055269 is a prime.

It is a super-2 number, since 2×1055271² = 2227193766882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160 + ... + 1461.

It is an arithmetic number, because the mean of its divisors is an integer number (103808).

2^1055271 is an apocalyptic number.

1055271 is a deficient number, since it is larger than the sum of its proper divisors (605657).

1055271 is a wasteful number, since it uses less digits than its factorization.

1055271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 1055271 is about 1027.2638414740. The cubic root of 1055271 is about 101.8094288674.

It can be divided in two parts, 1055 and 271, that added together give a triangular number (1326 = T₅₁).

The spelling of 1055271 in words is "one million, fifty-five thousand, two hundred seventy-one".