119290921 has 4 divisors (see below), whose sum is σ = 126308052. Its totient is φ = 112273792.

The previous prime is 119290889. The next prime is 119290931. The reversal of 119290921 is 129092911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 129092911 = 929 ⋅138959.

It can be written as a sum of positive squares in 2 ways, for example, as 90935296 + 28355625 = 9536^2 + 5325^2 .

It is a cyclic number.

It is not a de Polignac number, because 119290921 - 2⁵ = 119290889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119290931) 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, 3508540 + ... + 3508573.

It is an arithmetic number, because the mean of its divisors is an integer number (31577013).

Almost surely, 2^119290921 is an apocalyptic number.

It is an amenable number.

119290921 is a deficient number, since it is larger than the sum of its proper divisors (7017131).

119290921 is an equidigital number, since it uses as much as digits as its factorization.

119290921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017130.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 119290921 is about 10922.0383170908. The cubic root of 119290921 is about 492.2689732150.

The spelling of 119290921 in words is "one hundred nineteen million, two hundred ninety thousand, nine hundred twenty-one".