119109491 has 2 divisors, whose sum is σ = 119109492. Its totient is φ = 119109490.

The previous prime is 119109449. The next prime is 119109503. The reversal of 119109491 is 194901911.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 119109491 - 2⁶ = 119109427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (119102491) 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 as a sum of consecutive naturals, namely, 59554745 + 59554746.

It is an arithmetic number, because the mean of its divisors is an integer number (59554746).

Almost surely, 2^119109491 is an apocalyptic number.

119109491 is a deficient number, since it is larger than the sum of its proper divisors (1).

119109491 is an equidigital number, since it uses as much as digits as its factorization.

119109491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 35.

The square root of 119109491 is about 10913.7294725497. The cubic root of 119109491 is about 492.0192820235.

The spelling of 119109491 in words is "one hundred nineteen million, one hundred nine thousand, four hundred ninety-one".