1188872113 has 8 divisors (see below), whose sum is σ = 1396717056. Its totient is φ = 997654800.

The previous prime is 1188872107. The next prime is 1188872117. The reversal of 1188872113 is 3112788811.

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 1188872113 - 2⁹ = 1188871601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1188872117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4156753 + ... + 4157038.

It is an arithmetic number, because the mean of its divisors is an integer number (174589632).

Almost surely, 2^1188872113 is an apocalyptic number.

1188872113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1188872113 is a deficient number, since it is larger than the sum of its proper divisors (207844943).

1188872113 is a wasteful number, since it uses less digits than its factorization.

1188872113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313815.

The product of its digits is 21504, while the sum is 40.

The square root of 1188872113 is about 34480.0248404783. The cubic root of 1188872113 is about 1059.3636007313.

The spelling of 1188872113 in words is "one billion, one hundred eighty-eight million, eight hundred seventy-two thousand, one hundred thirteen".