1090172 has 12 divisors (see below), whose sum is σ = 1915200. Its totient is φ = 542976.

The previous prime is 1090169. The next prime is 1090181. The reversal of 1090172 is 2710901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493 + ... + 2099.

It is an arithmetic number, because the mean of its divisors is an integer number (159600).

2^1090172 is an apocalyptic number.

It is an amenable number.

1090172 is a deficient number, since it is larger than the sum of its proper divisors (825028).

1090172 is a wasteful number, since it uses less digits than its factorization.

1090172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 1090172 is about 1044.1130207023. The cubic root of 1090172 is about 102.9196595989.

The spelling of 1090172 in words is "one million, ninety thousand, one hundred seventy-two".