1188239045 has 8 divisors (see below), whose sum is σ = 1629585024. Its totient is φ = 814792464.

The previous prime is 1188239027. The next prime is 1188239071. The reversal of 1188239045 is 5409328811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1188239045 - 2⁶ = 1188238981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1188238993 and 1188239011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16974809 + ... + 16974878.

It is an arithmetic number, because the mean of its divisors is an integer number (203698128).

Almost surely, 2^1188239045 is an apocalyptic number.

It is an amenable number.

1188239045 is a deficient number, since it is larger than the sum of its proper divisors (441345979).

1188239045 is an equidigital number, since it uses as much as digits as its factorization.

1188239045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33949699.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 1188239045 is about 34470.8434042453. The cubic root of 1188239045 is about 1059.1755322073.

The spelling of 1188239045 in words is "one billion, one hundred eighty-eight million, two hundred thirty-nine thousand, forty-five".