1188016 has 20 divisors (see below), whose sum is σ = 2359224. Its totient is φ = 579200.

The previous prime is 1188007. The next prime is 1188017. The reversal of 1188016 is 6108811.

It is a happy number.

It is a super-2 number, since 2×1188016² = 2822764032512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1188017) 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, 250 + ... + 1561.

2^1188016 is an apocalyptic number.

1188016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1188016 is a deficient number, since it is larger than the sum of its proper divisors (1171208).

1188016 is a wasteful number, since it uses less digits than its factorization.

1188016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 1188016 is about 1089.9614672088. The cubic root of 1188016 is about 105.9109255254.

The spelling of 1188016 in words is "one million, one hundred eighty-eight thousand, sixteen".