1189003113 has 24 divisors (see below), whose sum is σ = 1752528960. Its totient is φ = 776524320.

The previous prime is 1189003111. The next prime is 1189003117. The reversal of 1189003113 is 3113009811.

It is a happy number.

It is not a de Polignac number, because 1189003113 - 2¹ = 1189003111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1189003111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 398718 + ... + 401688.

It is an arithmetic number, because the mean of its divisors is an integer number (73022040).

Almost surely, 2^1189003113 is an apocalyptic number.

It is an amenable number.

1189003113 is a deficient number, since it is larger than the sum of its proper divisors (563525847).

1189003113 is a wasteful number, since it uses less digits than its factorization.

1189003113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869 (or 3866 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 1189003113 is about 34481.9244387549. The cubic root of 1189003113 is about 1059.4025091872.

The spelling of 1189003113 in words is "one billion, one hundred eighty-nine million, three thousand, one hundred thirteen".