1188012 has 24 divisors (see below), whose sum is σ = 3168256. Its totient is φ = 339408.

The previous prime is 1188007. The next prime is 1188017. The reversal of 1188012 is 2108811.

It is an interprime number because it is at equal distance from previous prime (1188007) and next prime (1188017).

It is a super-2 number, since 2×1188012² = 2822745024288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1188012.

It is not an unprimeable number, because it can be changed into a prime (1188017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6988 + ... + 7155.

2^1188012 is an apocalyptic number.

1188012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1188012 is an abundant number, since it is smaller than the sum of its proper divisors (1980244).

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

1188012 is a wasteful number, since it uses less digits than its factorization.

1188012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14157 (or 14155 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 1188012 is about 1089.9596322800. The cubic root of 1188012 is about 105.9108066594.

The spelling of 1188012 in words is "one million, one hundred eighty-eight thousand, twelve".