119661189 has 4 divisors (see below), whose sum is σ = 159548256. Its totient is φ = 79774124.

The previous prime is 119661187. The next prime is 119661197. The reversal of 119661189 is 981166911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 981166911 = 3 ⋅327055637.

It is a cyclic number.

It is not a de Polignac number, because 119661189 - 2¹ = 119661187 is a prime.

It is a super-3 number, since 3×119661189³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 119661189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119661187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19943529 + ... + 19943534.

It is an arithmetic number, because the mean of its divisors is an integer number (39887064).

Almost surely, 2^119661189 is an apocalyptic number.

It is an amenable number.

119661189 is a deficient number, since it is larger than the sum of its proper divisors (39887067).

119661189 is an equidigital number, since it uses as much as digits as its factorization.

119661189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39887066.

The product of its digits is 23328, while the sum is 42.

The square root of 119661189 is about 10938.9756833078. The cubic root of 119661189 is about 492.7777663028. Note that the first 4 decimals are identical.

The spelling of 119661189 in words is "one hundred nineteen million, six hundred sixty-one thousand, one hundred eighty-nine".