1103149979 has 8 divisors (see below), whose sum is σ = 1116238752. Its totient is φ = 1090137600.

The previous prime is 1103149951. The next prime is 1103149987. The reversal of 1103149979 is 9799413011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103149979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103149379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10217 + ... + 48069.

It is an arithmetic number, because the mean of its divisors is an integer number (139529844).

Almost surely, 2^1103149979 is an apocalyptic number.

1103149979 is a deficient number, since it is larger than the sum of its proper divisors (13088773).

1103149979 is a wasteful number, since it uses less digits than its factorization.

1103149979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38197.

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 1103149979 is about 33213.7016756639. The cubic root of 1103149979 is about 1033.2645281161.

The spelling of 1103149979 in words is "one billion, one hundred three million, one hundred forty-nine thousand, nine hundred seventy-nine".