119988899 has 2 divisors, whose sum is σ = 119988900. Its totient is φ = 119988898.

The previous prime is 119988871. The next prime is 119988943. The reversal of 119988899 is 998889911.

It is a weak prime.

It is an emirp because it is prime and its reverse (998889911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119988899 is a prime.

It is a Chen prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (119988809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59994449 + 59994450.

It is an arithmetic number, because the mean of its divisors is an integer number (59994450).

Almost surely, 2^119988899 is an apocalyptic number.

119988899 is a deficient number, since it is larger than the sum of its proper divisors (1).

119988899 is an equidigital number, since it uses as much as digits as its factorization.

119988899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 62.

The square root of 119988899 is about 10953.9444493753. The cubic root of 119988899 is about 493.2272047192.

The spelling of 119988899 in words is "one hundred nineteen million, nine hundred eighty-eight thousand, eight hundred ninety-nine".