119656989 has 6 divisors (see below), whose sum is σ = 172837886. Its totient is φ = 79771320.

The previous prime is 119656981. The next prime is 119656997. The reversal of 119656989 is 989656911.

It is an interprime number because it is at equal distance from previous prime (119656981) and next prime (119656997).

It can be written as a sum of positive squares in only one way, i.e., 119180889 + 476100 = 10917^2 + 690^2 .

It is not a de Polignac number, because 119656989 - 2³ = 119656981 is a prime.

It is a super-2 number, since 2×119656989² = 28635590033092242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119656981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6647602 + ... + 6647619.

Almost surely, 2^119656989 is an apocalyptic number.

It is an amenable number.

119656989 is a deficient number, since it is larger than the sum of its proper divisors (53180897).

119656989 is a wasteful number, since it uses less digits than its factorization.

119656989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13295227 (or 13295224 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The square root of 119656989 is about 10938.7837075243. The cubic root of 119656989 is about 492.7720008834.

It can be divided in two parts, 1196 and 56989, that added together give a palindrome (58185).

The spelling of 119656989 in words is "one hundred nineteen million, six hundred fifty-six thousand, nine hundred eighty-nine".