1102090 has 32 divisors (see below), whose sum is σ = 2223936. Its totient is φ = 389760.

The previous prime is 1102069. The next prime is 1102111. The reversal of 1102090 is 902011.

It is an interprime number because it is at equal distance from previous prime (1102069) and next prime (1102111).

It is a self number, because there is not a number n which added to its sum of digits gives 1102090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4614 + ... + 4846.

It is an arithmetic number, because the mean of its divisors is an integer number (69498).

2^1102090 is an apocalyptic number.

1102090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1102090 is an abundant number, since it is smaller than the sum of its proper divisors (1121846).

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

1102090 is a wasteful number, since it uses less digits than its factorization.

1102090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294.

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

The square root of 1102090 is about 1049.8047437500. The cubic root of 1102090 is about 103.2933479240.

The spelling of 1102090 in words is "one million, one hundred two thousand, ninety".