1090872 has 48 divisors (see below), whose sum is σ = 3003000. Its totient is φ = 357696.

The previous prime is 1090849. The next prime is 1090877. The reversal of 1090872 is 2780901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090877) 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, 7779 + ... + 7917.

2^1090872 is an apocalyptic number.

1090872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1090872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501500).

1090872 is an abundant number, since it is smaller than the sum of its proper divisors (1912128).

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

1090872 is a wasteful number, since it uses less digits than its factorization.

1090872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1090872 is about 1044.4481796624. The cubic root of 1090872 is about 102.9416831412.

The spelling of 1090872 in words is "one million, ninety thousand, eight hundred seventy-two".