1049905 has 8 divisors (see below), whose sum is σ = 1281600. Its totient is φ = 825456.

The previous prime is 1049899. The next prime is 1049941. The reversal of 1049905 is 5099401.

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 1049905 - 2³ = 1049897 is a prime.

It is a super-2 number, since 2×1049905² = 2204601018050, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485 + ... + 2074.

It is an arithmetic number, because the mean of its divisors is an integer number (160200).

2^1049905 is an apocalyptic number.

It is an amenable number.

1049905 is a deficient number, since it is larger than the sum of its proper divisors (231695).

1049905 is an equidigital number, since it uses as much as digits as its factorization.

1049905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1049905 is about 1024.6487202939. The cubic root of 1049905 is about 101.6365702667.

The spelling of 1049905 in words is "one million, forty-nine thousand, nine hundred five".