1116487972 has 12 divisors (see below), whose sum is σ = 1955945740. Its totient is φ = 557646336.

The previous prime is 1116487963. The next prime is 1116487973. The reversal of 1116487972 is 2797846111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 465523776 + 650964196 = 21576^2 + 25514^2 .

It is not an unprimeable number, because it can be changed into a prime (1116487973) 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, 145197 + ... + 152692.

Almost surely, 2^1116487972 is an apocalyptic number.

It is an amenable number.

1116487972 is a deficient number, since it is larger than the sum of its proper divisors (839457768).

1116487972 is a wasteful number, since it uses less digits than its factorization.

1116487972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298830 (or 298828 counting only the distinct ones).

The product of its digits is 169344, while the sum is 46.

The square root of 1116487972 is about 33413.8889086559. Note that the first 3 decimals coincide. The cubic root of 1116487972 is about 1037.4121966048.

The spelling of 1116487972 in words is "one billion, one hundred sixteen million, four hundred eighty-seven thousand, nine hundred seventy-two".