1188830 has 16 divisors (see below), whose sum is σ = 2252880. Its totient is φ = 450432.

The previous prime is 1188787. The next prime is 1188839. The reversal of 1188830 is 388811.

It is a happy number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1188793 and 1188802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2939 + ... + 3318.

It is an arithmetic number, because the mean of its divisors is an integer number (140805).

2^1188830 is an apocalyptic number.

1188830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1188830 is a deficient number, since it is larger than the sum of its proper divisors (1064050).

1188830 is a wasteful number, since it uses less digits than its factorization.

1188830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283.

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

The square root of 1188830 is about 1090.3348109640. The cubic root of 1188830 is about 105.9351092095.

The spelling of 1188830 in words is "one million, one hundred eighty-eight thousand, eight hundred thirty".