119213921 has 4 divisors (see below), whose sum is σ = 119295792. Its totient is φ = 119132052.

The previous prime is 119213903. The next prime is 119213929. The reversal of 119213921 is 129312911.

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 119213921 - 2²² = 115019617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119213929) 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, 38711 + ... + 41676.

It is an arithmetic number, because the mean of its divisors is an integer number (29823948).

Almost surely, 2^119213921 is an apocalyptic number.

It is an amenable number.

119213921 is a deficient number, since it is larger than the sum of its proper divisors (81871).

119213921 is an equidigital number, since it uses as much as digits as its factorization.

119213921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81870.

The product of its digits is 972, while the sum is 29.

The square root of 119213921 is about 10918.5127650244. The cubic root of 119213921 is about 492.1630336930.

The spelling of 119213921 in words is "one hundred nineteen million, two hundred thirteen thousand, nine hundred twenty-one".