1188150 has 36 divisors (see below), whose sum is σ = 2980092. Its totient is φ = 313280.

The previous prime is 1188149. The next prime is 1188151. The reversal of 1188150 is 518811.

It is an interprime number because it is at equal distance from previous prime (1188149) and next prime (1188151).

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1188150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188151) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13306 + ... + 13394.

2^1188150 is an apocalyptic number.

1188150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1188150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490046).

1188150 is an abundant number, since it is smaller than the sum of its proper divisors (1791942).

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

1188150 is an equidigital number, since it uses as much as digits as its factorization.

1188150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 24.

The square root of 1188150 is about 1090.0229355385. The cubic root of 1188150 is about 105.9149073827.

Multiplying 1188150 by its sum of digits (24), we get a square (28515600 = 5340²).

The spelling of 1188150 in words is "one million, one hundred eighty-eight thousand, one hundred fifty".