1188324001 has 2 divisors, whose sum is σ = 1188324002. Its totient is φ = 1188324000.

The previous prime is 1188323921. The next prime is 1188324017. The reversal of 1188324001 is 1004238811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 864360000 + 323964001 = 29400^2 + 17999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1188324001 is a prime.

It is a super-2 number, since 2×1188324001² = 2824227862705296002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1188324061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594162000 + 594162001.

It is an arithmetic number, because the mean of its divisors is an integer number (594162001).

Almost surely, 2^1188324001 is an apocalyptic number.

It is an amenable number.

1188324001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188324001 is an equidigital number, since it uses as much as digits as its factorization.

1188324001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1188324001 is about 34472.0756700260. The cubic root of 1188324001 is about 1059.2007743707.

The spelling of 1188324001 in words is "one billion, one hundred eighty-eight million, three hundred twenty-four thousand, one".