119385821 has 4 divisors (see below), whose sum is σ = 119589792. Its totient is φ = 119181852.

The previous prime is 119385811. The next prime is 119385823. The reversal of 119385821 is 128583911.

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: 128583911 = 71 ⋅1811041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119385821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119385823) 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, 101105 + ... + 102278.

It is an arithmetic number, because the mean of its divisors is an integer number (29897448).

Almost surely, 2^119385821 is an apocalyptic number.

It is an amenable number.

119385821 is a deficient number, since it is larger than the sum of its proper divisors (203971).

119385821 is an equidigital number, since it uses as much as digits as its factorization.

119385821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203970.

The product of its digits is 17280, while the sum is 38.

The square root of 119385821 is about 10926.3818805678. The cubic root of 119385821 is about 492.3994775387.

The spelling of 119385821 in words is "one hundred nineteen million, three hundred eighty-five thousand, eight hundred twenty-one".