119344991 has 4 divisors (see below), whose sum is σ = 119455872. Its totient is φ = 119234112.

The previous prime is 119344987. The next prime is 119344997. The reversal of 119344991 is 199443911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 199443911 = 1699 ⋅117389.

It is a cyclic number.

It is not a de Polignac number, because 119344991 - 2² = 119344987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119344997) 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 in 3 ways as a sum of consecutive naturals, for example, 53810 + ... + 55983.

It is an arithmetic number, because the mean of its divisors is an integer number (29863968).

Almost surely, 2^119344991 is an apocalyptic number.

119344991 is a deficient number, since it is larger than the sum of its proper divisors (110881).

119344991 is a wasteful number, since it uses less digits than its factorization.

119344991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110880.

The product of its digits is 34992, while the sum is 41.

The square root of 119344991 is about 10924.5133072371. The cubic root of 119344991 is about 492.3433375301.

The spelling of 119344991 in words is "one hundred nineteen million, three hundred forty-four thousand, nine hundred ninety-one".