1051808 has 12 divisors (see below), whose sum is σ = 2070810. Its totient is φ = 525888.

The previous prime is 1051789. The next prime is 1051811. The reversal of 1051808 is 8081501.

It can be written as a sum of positive squares in only one way, i.e., 868624 + 183184 = 932^2 + 428^2 .

It is a super-2 number, since 2×1051808² = 2212600137728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16403 + ... + 16466.

2^1051808 is an apocalyptic number.

It is an amenable number.

1051808 is a deficient number, since it is larger than the sum of its proper divisors (1019002).

1051808 is an equidigital number, since it uses as much as digits as its factorization.

1051808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32879 (or 32871 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 1051808 is about 1025.5769108165. The cubic root of 1051808 is about 101.6979401536.

The spelling of 1051808 in words is "one million, fifty-one thousand, eight hundred eight".