1055257 has 8 divisors (see below), whose sum is σ = 1213056. Its totient is φ = 899232.

The previous prime is 1055251. The next prime is 1055261. The reversal of 1055257 is 7525501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1055257 - 2¹⁹ = 530969 is a prime.

It is a super-2 number, since 2×1055257² = 2227134672098, which contains 22 as substring.

It is a Duffinian number.

1055257 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308 + ... + 1954.

It is an arithmetic number, because the mean of its divisors is an integer number (151632).

2^1055257 is an apocalyptic number.

It is an amenable number.

1055257 is a deficient number, since it is larger than the sum of its proper divisors (157799).

1055257 is an equidigital number, since it uses as much as digits as its factorization.

1055257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887.

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

The square root of 1055257 is about 1027.2570272332. The cubic root of 1055257 is about 101.8089786392.

It can be divided in two parts, 10552 and 57, that added together give a square (10609 = 103²).

The spelling of 1055257 in words is "one million, fifty-five thousand, two hundred fifty-seven".