1181938284 has 48 divisors (see below), whose sum is σ = 3066483840. Its totient is φ = 393696720.

The previous prime is 1181938279. The next prime is 1181938313. The reversal of 1181938284 is 4828391811.

1181938284 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192567 + ... + 198609.

It is an arithmetic number, because the mean of its divisors is an integer number (63885080).

Almost surely, 2^1181938284 is an apocalyptic number.

It is an amenable number.

1181938284 is an abundant number, since it is smaller than the sum of its proper divisors (1884545556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1181938284 is a wasteful number, since it uses less digits than its factorization.

1181938284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7867 (or 7859 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 1181938284 is about 34379.3293128298. The cubic root of 1181938284 is about 1057.3000839333.

The spelling of 1181938284 in words is "one billion, one hundred eighty-one million, nine hundred thirty-eight thousand, two hundred eighty-four".