1052905 has 16 divisors (see below), whose sum is σ = 1468800. Its totient is φ = 709632.

The previous prime is 1052899. The next prime is 1052939. The reversal of 1052905 is 5092501.

It is not a de Polignac number, because 1052905 - 2³ = 1052897 is a prime.

It is a super-2 number, since 2×1052905² = 2217217878050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

1052905 is a lucky number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2121 + ... + 2569.

It is an arithmetic number, because the mean of its divisors is an integer number (91800).

2^1052905 is an apocalyptic number.

It is an amenable number.

1052905 is a deficient number, since it is larger than the sum of its proper divisors (415895).

1052905 is an equidigital number, since it uses as much as digits as its factorization.

1052905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1052905 is about 1026.1115923719. Note that the first 3 decimals coincide. The cubic root of 1052905 is about 101.7332837009.

The spelling of 1052905 in words is "one million, fifty-two thousand, nine hundred five".