1103973189 has 16 divisors (see below), whose sum is σ = 1661152320. Its totient is φ = 646002560.

The previous prime is 1103973187. The next prime is 1103973193. The reversal of 1103973189 is 9813793011.

It is a cyclic number.

It is not a de Polignac number, because 1103973189 - 2¹ = 1103973187 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103973189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103973187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575832 + ... + 577745.

It is an arithmetic number, because the mean of its divisors is an integer number (103822020).

Almost surely, 2^1103973189 is an apocalyptic number.

It is an amenable number.

1103973189 is a deficient number, since it is larger than the sum of its proper divisors (557179131).

1103973189 is a wasteful number, since it uses less digits than its factorization.

1103973189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153620.

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 1103973189 is about 33226.0919910844. The cubic root of 1103973189 is about 1033.5214838685.

The spelling of 1103973189 in words is "one billion, one hundred three million, nine hundred seventy-three thousand, one hundred eighty-nine".