1188330 has 64 divisors (see below), whose sum is σ = 3362688. Its totient is φ = 264960.

The previous prime is 1188307. The next prime is 1188353. The reversal of 1188330 is 338811.

It is an interprime number because it is at equal distance from previous prime (1188307) and next prime (1188353).

It is a self number, because there is not a number n which added to its sum of digits gives 1188330.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4152 + ... + 4428.

It is an arithmetic number, because the mean of its divisors is an integer number (52542).

2^1188330 is an apocalyptic number.

1188330 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 1188330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681344).

1188330 is an abundant number, since it is smaller than the sum of its proper divisors (2174358).

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

1188330 is a wasteful number, since it uses less digits than its factorization.

1188330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1188330 is about 1090.1054994816. The cubic root of 1188330 is about 105.9202556751.

It can be divided in two parts, 118 and 8330, that added together give a palindrome (8448).

The spelling of 1188330 in words is "one million, one hundred eighty-eight thousand, three hundred thirty".