1104090091 has 16 divisors (see below), whose sum is σ = 1246258944. Its totient is φ = 970494624.

The previous prime is 1104090089. The next prime is 1104090131. The reversal of 1104090091 is 1900904011.

It is a cyclic number.

It is not a de Polignac number, because 1104090091 - 2¹ = 1104090089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1104090191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59740 + ... + 76006.

It is an arithmetic number, because the mean of its divisors is an integer number (77891184).

Almost surely, 2^1104090091 is an apocalyptic number.

1104090091 is a deficient number, since it is larger than the sum of its proper divisors (142168853).

1104090091 is a wasteful number, since it uses less digits than its factorization.

1104090091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16530.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1104090091 is about 33227.8511342518. The cubic root of 1104090091 is about 1033.5579631554.

The spelling of 1104090091 in words is "one billion, one hundred four million, ninety thousand, ninety-one".