1090120 has 16 divisors (see below), whose sum is σ = 2452860. Its totient is φ = 436032.

The previous prime is 1090099. The next prime is 1090127. The reversal of 1090120 is 210901.

It can be written as a sum of positive squares in 2 ways, for example, as 1085764 + 4356 = 1042^2 + 66^2 .

It is a super-2 number, since 2×1090120² = 2376723228800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1090120.

It is not an unprimeable number, because it can be changed into a prime (1090127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13587 + ... + 13666.

2^1090120 is an apocalyptic number.

1090120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1090120 is an abundant number, since it is smaller than the sum of its proper divisors (1362740).

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

1090120 is a wasteful number, since it uses less digits than its factorization.

1090120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27264 (or 27260 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1090120 is about 1044.0881188865. The cubic root of 1090120 is about 102.9180231882.

The spelling of 1090120 in words is "one million, ninety thousand, one hundred twenty".