1199994884 has 12 divisors (see below), whose sum is σ = 2290899408. Its totient is φ = 545452200.

The previous prime is 1199994883. The next prime is 1199994931. The reversal of 1199994884 is 4884999911.

It is not an unprimeable number, because it can be changed into a prime (1199994883) 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, 13636262 + ... + 13636349.

It is an arithmetic number, because the mean of its divisors is an integer number (190908284).

Almost surely, 2^1199994884 is an apocalyptic number.

It is an amenable number.

1199994884 is a deficient number, since it is larger than the sum of its proper divisors (1090904524).

1199994884 is a wasteful number, since it uses less digits than its factorization.

1199994884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27272626 (or 27272624 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 62.

The square root of 1199994884 is about 34640.9423081994. The cubic root of 1199994884 is about 1062.6570590246.

The spelling of 1199994884 in words is "one billion, one hundred ninety-nine million, nine hundred ninety-four thousand, eight hundred eighty-four".