1055258 has 16 divisors (see below), whose sum is σ = 1719144. Its totient is φ = 483840.

The previous prime is 1055251. The next prime is 1055261. The reversal of 1055258 is 8525501.

It can be written as a sum of positive squares in 4 ways, for example, as 840889 + 214369 = 917^2 + 463^2 .

It is a super-2 number, since 2×1055258² = 2227138893128, which contains 22 as substring.

It is an Ulam 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, 1016 + ... + 1772.

2^1055258 is an apocalyptic number.

1055258 is a deficient number, since it is larger than the sum of its proper divisors (663886).

1055258 is a wasteful number, since it uses less digits than its factorization.

1055258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1055258 is about 1027.2575139662. The cubic root of 1055258 is about 101.8090107985.

The spelling of 1055258 in words is "one million, fifty-five thousand, two hundred fifty-eight".