119071891 has 2 divisors, whose sum is σ = 119071892. Its totient is φ = 119071890.

The previous prime is 119071889. The next prime is 119071907. The reversal of 119071891 is 198170911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 119071891 - 2¹ = 119071889 is a prime.

Together with 119071889, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 119071891.

It is not a weakly prime, because it can be changed into another prime (119071861) 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, 59535945 + 59535946.

It is an arithmetic number, because the mean of its divisors is an integer number (59535946).

Almost surely, 2^119071891 is an apocalyptic number.

119071891 is a deficient number, since it is larger than the sum of its proper divisors (1).

119071891 is an equidigital number, since it uses as much as digits as its factorization.

119071891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 37.

The square root of 119071891 is about 10912.0067357017. The cubic root of 119071891 is about 491.9675036924.

The spelling of 119071891 in words is "one hundred nineteen million, seventy-one thousand, eight hundred ninety-one".