1104661279 has 4 divisors (see below), whose sum is σ = 1108861776. Its totient is φ = 1100460784.

The previous prime is 1104661267. The next prime is 1104661289. The reversal of 1104661279 is 9721664011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9721664011 = 107 ⋅90856673.

It is a cyclic number.

It is not a de Polignac number, because 1104661279 - 2²⁵ = 1071106847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104661289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099854 + ... + 2100379.

It is an arithmetic number, because the mean of its divisors is an integer number (277215444).

Almost surely, 2^1104661279 is an apocalyptic number.

1104661279 is a deficient number, since it is larger than the sum of its proper divisors (4200497).

1104661279 is an equidigital number, since it uses as much as digits as its factorization.

1104661279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200496.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1104661279 is about 33236.4450415504. The cubic root of 1104661279 is about 1033.7361654402.

The spelling of 1104661279 in words is "one billion, one hundred four million, six hundred sixty-one thousand, two hundred seventy-nine".