1090621104 has 40 divisors (see below), whose sum is σ = 2828693952. Its totient is φ = 362088000.

The previous prime is 1090621099. The next prime is 1090621127. The reversal of 1090621104 is 4011260901.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 33214 + ... + 57309.

Almost surely, 2^1090621104 is an apocalyptic number.

It is an amenable number.

1090621104 is an abundant number, since it is smaller than the sum of its proper divisors (1738072848).

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

1090621104 is a wasteful number, since it uses less digits than its factorization.

1090621104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90785 (or 90779 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1090621104 is about 33024.5530476947. The cubic root of 1090621104 is about 1029.3379048377.

The spelling of 1090621104 in words is "one billion, ninety million, six hundred twenty-one thousand, one hundred four".