119306891 has 4 divisors (see below), whose sum is σ = 130152984. Its totient is φ = 108460800.

The previous prime is 119306851. The next prime is 119306917. The reversal of 119306891 is 198603911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119306891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119306801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5423030 + ... + 5423051.

It is an arithmetic number, because the mean of its divisors is an integer number (32538246).

Almost surely, 2^119306891 is an apocalyptic number.

119306891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

119306891 is a deficient number, since it is larger than the sum of its proper divisors (10846093).

119306891 is a wasteful number, since it uses less digits than its factorization.

119306891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10846092.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 119306891 is about 10922.7693832654. The cubic root of 119306891 is about 492.2909396386.

The spelling of 119306891 in words is "one hundred nineteen million, three hundred six thousand, eight hundred ninety-one".