1057255 has 16 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 773280.

The previous prime is 1057249. The next prime is 1057271. The reversal of 1057255 is 5527501.

It is a happy number.

It is not a de Polignac number, because 1057255 - 2⁵ = 1057223 is a prime.

It is a super-2 number, since 2×1057255² = 2235576270050, which contains 22 as substring.

1057255 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2766 + ... + 3124.

It is an arithmetic number, because the mean of its divisors is an integer number (86400).

2^1057255 is an apocalyptic number.

1057255 is a deficient number, since it is larger than the sum of its proper divisors (325145).

1057255 is a wasteful number, since it uses less digits than its factorization.

1057255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 1057255 is about 1028.2290600834. The cubic root of 1057255 is about 101.8731924102.

The spelling of 1057255 in words is "one million, fifty-seven thousand, two hundred fifty-five".