119134288921 has 4 divisors (see below), whose sum is σ = 119558254644. Its totient is φ = 118710323200.

The previous prime is 119134288873. The next prime is 119134288963. The reversal of 119134288921 is 129882431911.

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 95194463296 + 23939825625 = 308536^2 + 154725^2 .

It is a cyclic number.

It is not a de Polignac number, because 119134288921 - 2¹³ = 119134280729 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119134280921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211982440 + ... + 211983001.

It is an arithmetic number, because the mean of its divisors is an integer number (29889563661).

Almost surely, 2^119134288921 is an apocalyptic number.

It is an amenable number.

119134288921 is a deficient number, since it is larger than the sum of its proper divisors (423965723).

119134288921 is an equidigital number, since it uses as much as digits as its factorization.

119134288921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423965722.

The product of its digits is 248832, while the sum is 49.

The spelling of 119134288921 in words is "one hundred nineteen billion, one hundred thirty-four million, two hundred eighty-eight thousand, nine hundred twenty-one".