119853891 has 8 divisors (see below), whose sum is σ = 177561360. Its totient is φ = 79902576.

The previous prime is 119853889. The next prime is 119853911. The reversal of 119853891 is 198358911.

It is not a de Polignac number, because 119853891 - 2¹ = 119853889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (119853871) 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 in 7 ways as a sum of consecutive naturals, for example, 2219490 + ... + 2219543.

It is an arithmetic number, because the mean of its divisors is an integer number (22195170).

Almost surely, 2^119853891 is an apocalyptic number.

119853891 is a deficient number, since it is larger than the sum of its proper divisors (57707469).

119853891 is an equidigital number, since it uses as much as digits as its factorization.

119853891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439042 (or 4439036 counting only the distinct ones).

The product of its digits is 77760, while the sum is 45.

The square root of 119853891 is about 10947.7801859555. The cubic root of 119853891 is about 493.0421470193.

It can be divided in two parts, 11985 and 3891, that added together give a square (15876 = 126²).

The spelling of 119853891 in words is "one hundred nineteen million, eight hundred fifty-three thousand, eight hundred ninety-one".