119993891 has 2 divisors, whose sum is σ = 119993892. Its totient is φ = 119993890.

The previous prime is 119993869. The next prime is 119993897. The reversal of 119993891 is 198399911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 119993891 - 2¹⁰ = 119992867 is a prime.

It is not a weakly prime, because it can be changed into another prime (119993897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59996945 + 59996946.

It is an arithmetic number, because the mean of its divisors is an integer number (59996946).

Almost surely, 2^119993891 is an apocalyptic number.

119993891 is a deficient number, since it is larger than the sum of its proper divisors (1).

119993891 is an equidigital number, since it uses as much as digits as its factorization.

119993891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 50.

The square root of 119993891 is about 10954.1723101291. The cubic root of 119993891 is about 493.2340446743.

The spelling of 119993891 in words is "one hundred nineteen million, nine hundred ninety-three thousand, eight hundred ninety-one".