1055859 has 16 divisors (see below), whose sum is σ = 1625088. Its totient is φ = 597312.

The previous prime is 1055851. The next prime is 1055863. The reversal of 1055859 is 9585501.

It is not a de Polignac number, because 1055859 - 2³ = 1055851 is a prime.

It is a super-2 number, since 2×1055859² = 2229676455762, which contains 22 as substring.

It is an Ulam number.

1055859 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1055851) 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, 2694 + ... + 3060.

It is an arithmetic number, because the mean of its divisors is an integer number (101568).

2^1055859 is an apocalyptic number.

1055859 is a deficient number, since it is larger than the sum of its proper divisors (569229).

1055859 is a wasteful number, since it uses less digits than its factorization.

1055859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 9000, while the sum is 33.

The square root of 1055859 is about 1027.5499987835. The cubic root of 1055859 is about 101.8283348574.

The spelling of 1055859 in words is "one million, fifty-five thousand, eight hundred fifty-nine".