1188148 has 24 divisors (see below), whose sum is σ = 2277128. Its totient is φ = 539136.

The previous prime is 1188073. The next prime is 1188149. The reversal of 1188148 is 8418811.

It can be written as a sum of positive squares in 4 ways, for example, as 17424 + 1170724 = 132^2 + 1082^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188149) 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, 3640 + ... + 3952.

2^1188148 is an apocalyptic number.

It is an amenable number.

1188148 is a deficient number, since it is larger than the sum of its proper divisors (1088980).

1188148 is a wasteful number, since it uses less digits than its factorization.

1188148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 401 counting only the distinct ones).

The product of its digits is 2048, while the sum is 31.

The square root of 1188148 is about 1090.0220181262. The cubic root of 1188148 is about 105.9148479542.

The spelling of 1188148 in words is "one million, one hundred eighty-eight thousand, one hundred forty-eight".