119447989 has 2 divisors, whose sum is σ = 119447990. Its totient is φ = 119447988.

The previous prime is 119447987. The next prime is 119448011. The reversal of 119447989 is 989744911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103367889 + 16080100 = 10167^2 + 4010^2 .

It is an emirp because it is prime and its reverse (989744911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 119447989 - 2¹ = 119447987 is a prime.

It is a super-2 number, since 2×119447989² = 28535644152288242, which contains 22 as substring.

Together with 119447987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119447983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59723994 + 59723995.

It is an arithmetic number, because the mean of its divisors is an integer number (59723995).

Almost surely, 2^119447989 is an apocalyptic number.

It is an amenable number.

119447989 is a deficient number, since it is larger than the sum of its proper divisors (1).

119447989 is an equidigital number, since it uses as much as digits as its factorization.

119447989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 52.

The square root of 119447989 is about 10929.2263678634. The cubic root of 119447989 is about 492.4849320718.

The spelling of 119447989 in words is "one hundred nineteen million, four hundred forty-seven thousand, nine hundred eighty-nine".