1188794053 has 4 divisors (see below), whose sum is σ = 1220923660. Its totient is φ = 1156664448.

The previous prime is 1188794051. The next prime is 1188794059. The reversal of 1188794053 is 3504978811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1125065764 + 63728289 = 33542^2 + 7983^2 .

It is a cyclic number.

It is not a de Polignac number, because 1188794053 - 2¹ = 1188794051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1188793994 and 1188794012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188794051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16064748 + ... + 16064821.

It is an arithmetic number, because the mean of its divisors is an integer number (305230915).

Almost surely, 2^1188794053 is an apocalyptic number.

It is an amenable number.

1188794053 is a deficient number, since it is larger than the sum of its proper divisors (32129607).

1188794053 is an equidigital number, since it uses as much as digits as its factorization.

1188794053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32129606.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 1188794053 is about 34478.8928621555. The cubic root of 1188794053 is about 1059.3404146847.

The spelling of 1188794053 in words is "one billion, one hundred eighty-eight million, seven hundred ninety-four thousand, fifty-three".