119838021 has 4 divisors (see below), whose sum is σ = 159784032. Its totient is φ = 79892012.

The previous prime is 119838001. The next prime is 119838029. The reversal of 119838021 is 120838911.

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.

It is a cyclic number.

It is not a de Polignac number, because 119838021 - 2¹⁵ = 119805253 is a prime.

It is a super-2 number, since 2×119838021² = 28722302554392882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119838029) 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, 19973001 + ... + 19973006.

It is an arithmetic number, because the mean of its divisors is an integer number (39946008).

Almost surely, 2^119838021 is an apocalyptic number.

It is an amenable number.

119838021 is a deficient number, since it is larger than the sum of its proper divisors (39946011).

119838021 is an equidigital number, since it uses as much as digits as its factorization.

119838021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39946010.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 119838021 is about 10947.0553574923. The cubic root of 119838021 is about 493.0203846212.

The spelling of 119838021 in words is "one hundred nineteen million, eight hundred thirty-eight thousand, twenty-one".