1090540 has 24 divisors (see below), whose sum is σ = 2498832. Its totient is φ = 396480.

The previous prime is 1090519. The next prime is 1090553. The reversal of 1090540 is 450901.

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, 2259 + ... + 2698.

It is an arithmetic number, because the mean of its divisors is an integer number (104118).

2^1090540 is an apocalyptic number.

1090540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1090540 is an abundant number, since it is smaller than the sum of its proper divisors (1408292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1090540 is a wasteful number, since it uses less digits than its factorization.

1090540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977 (or 4975 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1090540 is about 1044.2892319659. The cubic root of 1090540 is about 102.9312388646.

The spelling of 1090540 in words is "one million, ninety thousand, five hundred forty".