119932991 has 2 divisors, whose sum is σ = 119932992. Its totient is φ = 119932990.

The previous prime is 119932973. The next prime is 119932993. The reversal of 119932991 is 199239911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 119932991 - 2¹⁰ = 119931967 is a prime.

Together with 119932993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119932993) 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, 59966495 + 59966496.

It is an arithmetic number, because the mean of its divisors is an integer number (59966496).

Almost surely, 2^119932991 is an apocalyptic number.

119932991 is a deficient number, since it is larger than the sum of its proper divisors (1).

119932991 is an equidigital number, since it uses as much as digits as its factorization.

119932991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39366, while the sum is 44.

The square root of 119932991 is about 10951.3921946025. The cubic root of 119932991 is about 493.1505875467.

It can be divided in two parts, 11 and 9932991, that multiplied together give a palindrome (109262901).

The spelling of 119932991 in words is "one hundred nineteen million, nine hundred thirty-two thousand, nine hundred ninety-one".