1188972472 has 16 divisors (see below), whose sum is σ = 2265870600. Its totient is φ = 584740320.

The previous prime is 1188972457. The next prime is 1188972493. The reversal of 1188972472 is 2742798811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217722 + ... + 1218697.

Almost surely, 2^1188972472 is an apocalyptic number.

It is an amenable number.

1188972472 is a deficient number, since it is larger than the sum of its proper divisors (1076898128).

1188972472 is a wasteful number, since it uses less digits than its factorization.

1188972472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436486 (or 2436482 counting only the distinct ones).

The product of its digits is 451584, while the sum is 49.

The square root of 1188972472 is about 34481.4801306440. The cubic root of 1188972472 is about 1059.3934087257.

The spelling of 1188972472 in words is "one billion, one hundred eighty-eight million, nine hundred seventy-two thousand, four hundred seventy-two".