1111862972 has 12 divisors (see below), whose sum is σ = 2122647576. Its totient is φ = 505392240.

The previous prime is 1111862963. The next prime is 1111862977. The reversal of 1111862972 is 2792681111.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111862977) 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, 12634763 + ... + 12634850.

It is an arithmetic number, because the mean of its divisors is an integer number (176887298).

Almost surely, 2^1111862972 is an apocalyptic number.

It is an amenable number.

1111862972 is a deficient number, since it is larger than the sum of its proper divisors (1010784604).

1111862972 is a wasteful number, since it uses less digits than its factorization.

1111862972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25269628 (or 25269626 counting only the distinct ones).

The product of its digits is 12096, while the sum is 38.

The square root of 1111862972 is about 33344.6093394420. The cubic root of 1111862972 is about 1035.9777366354.

The spelling of 1111862972 in words is "one billion, one hundred eleven million, eight hundred sixty-two thousand, nine hundred seventy-two".