1188164 has 24 divisors (see below), whose sum is σ = 2236248. Its totient is φ = 550400.

The previous prime is 1188151. The next prime is 1188167. The reversal of 1188164 is 4618811.

It can be written as a sum of positive squares in 4 ways, for example, as 917764 + 270400 = 958^2 + 520^2 .

It is not an unprimeable number, because it can be changed into a prime (1188167) 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, 6782 + ... + 6954.

It is an arithmetic number, because the mean of its divisors is an integer number (93177).

2^1188164 is an apocalyptic number.

It is an amenable number.

1188164 is a deficient number, since it is larger than the sum of its proper divisors (1048084).

1188164 is a wasteful number, since it uses less digits than its factorization.

1188164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 293 counting only the distinct ones).

The product of its digits is 1536, while the sum is 29.

The square root of 1188164 is about 1090.0293574028. The cubic root of 1188164 is about 105.9153233804.

It can be divided in two parts, 11881 and 64, that multiplied together give a square (760384 = 872²).

The spelling of 1188164 in words is "one million, one hundred eighty-eight thousand, one hundred sixty-four".