1090895 has 12 divisors (see below), whose sum is σ = 1418616. Its totient is φ = 804960.

The previous prime is 1090891. The next prime is 1090897. The reversal of 1090895 is 5980901.

It is not a de Polignac number, because 1090895 - 2² = 1090891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200 + ... + 1490.

It is an arithmetic number, because the mean of its divisors is an integer number (118218).

2^1090895 is an apocalyptic number.

1090895 is a deficient number, since it is larger than the sum of its proper divisors (327721).

1090895 is a wasteful number, since it uses less digits than its factorization.

1090895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 1090895 is about 1044.4591902032. The cubic root of 1090895 is about 102.9424066120.

The spelling of 1090895 in words is "one million, ninety thousand, eight hundred ninety-five".