1104661139 has 32 divisors (see below), whose sum is σ = 1229385600. Its totient is φ = 988416000.

The previous prime is 1104661133. The next prime is 1104661177. The reversal of 1104661139 is 9311664011.

It is a cyclic number.

It is not a de Polignac number, because 1104661139 - 2⁸ = 1104660883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1104661133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5550962 + ... + 5551160.

It is an arithmetic number, because the mean of its divisors is an integer number (38418300).

Almost surely, 2^1104661139 is an apocalyptic number.

1104661139 is a deficient number, since it is larger than the sum of its proper divisors (124724461).

1104661139 is a wasteful number, since it uses less digits than its factorization.

1104661139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1104661139 is about 33236.4429354286. The cubic root of 1104661139 is about 1033.7361217698.

The spelling of 1104661139 in words is "one billion, one hundred four million, six hundred sixty-one thousand, one hundred thirty-nine".