1188030 has 24 divisors (see below), whose sum is σ = 2865672. Its totient is φ = 315216.

The previous prime is 1188029. The next prime is 1188037. The reversal of 1188030 is 308811.

It is a happy number.

It is a super-2 number, since 2×1188030² = 2822830561800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1187988 and 1188006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5871 + ... + 6069.

It is an arithmetic number, because the mean of its divisors is an integer number (119403).

2^1188030 is an apocalyptic number.

1188030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1188030 is an abundant number, since it is smaller than the sum of its proper divisors (1677642).

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

1188030 is an equidigital number, since it uses as much as digits as its factorization.

1188030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1188030 is about 1089.9678894353. The cubic root of 1188030 is about 105.9113415544.

The spelling of 1188030 in words is "one million, one hundred eighty-eight thousand, thirty".