1188872112 has 40 divisors (see below), whose sum is σ = 3081771504. Its totient is φ = 394933504.

The previous prime is 1188872107. The next prime is 1188872117. The reversal of 1188872112 is 2112788811.

It is an interprime number because it is at equal distance from previous prime (1188872107) and next prime (1188872117).

It is not an unprimeable number, because it can be changed into a prime (1188872117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28203 + ... + 56330.

Almost surely, 2^1188872112 is an apocalyptic number.

1188872112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1188872112 is an abundant number, since it is smaller than the sum of its proper divisors (1892899392).

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

1188872112 is a wasteful number, since it uses less digits than its factorization.

1188872112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84837 (or 84831 counting only the distinct ones).

The product of its digits is 14336, while the sum is 39.

The square root of 1188872112 is about 34480.0248259771. The cubic root of 1188872112 is about 1059.3636004342.

The spelling of 1188872112 in words is "one billion, one hundred eighty-eight million, eight hundred seventy-two thousand, one hundred twelve".