119489921 has 4 divisors (see below), whose sum is σ = 120223152. Its totient is φ = 118756692.

The previous prime is 119489869. The next prime is 119489939. The reversal of 119489921 is 129984911.

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: 129984911 = 7 ⋅18569273.

It is a cyclic number.

It is not a de Polignac number, because 119489921 - 2⁶ = 119489857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119482921) 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 3 ways as a sum of consecutive naturals, for example, 366371 + ... + 366696.

It is an arithmetic number, because the mean of its divisors is an integer number (30055788).

Almost surely, 2^119489921 is an apocalyptic number.

It is an amenable number.

119489921 is a deficient number, since it is larger than the sum of its proper divisors (733231).

119489921 is an equidigital number, since it uses as much as digits as its factorization.

119489921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733230.

The product of its digits is 46656, while the sum is 44.

The square root of 119489921 is about 10931.1445420871. The cubic root of 119489921 is about 492.5425539772.

The spelling of 119489921 in words is "one hundred nineteen million, four hundred eighty-nine thousand, nine hundred twenty-one".