119597991 has 8 divisors (see below), whose sum is σ = 160053504. Its totient is φ = 79437240.

The previous prime is 119597987. The next prime is 119598013. The reversal of 119597991 is 199795911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 119597991 - 2² = 119597987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119597981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72741 + ... + 74366.

It is an arithmetic number, because the mean of its divisors is an integer number (20006688).

Almost surely, 2^119597991 is an apocalyptic number.

119597991 is a deficient number, since it is larger than the sum of its proper divisors (40455513).

119597991 is a wasteful number, since it uses less digits than its factorization.

119597991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147381.

The product of its digits is 229635, while the sum is 51.

The square root of 119597991 is about 10936.0866401103. The cubic root of 119597991 is about 492.6909989510.

The spelling of 119597991 in words is "one hundred nineteen million, five hundred ninety-seven thousand, nine hundred ninety-one".