119887221 has 4 divisors (see below), whose sum is σ = 159849632. Its totient is φ = 79924812.

The previous prime is 119887211. The next prime is 119887249. The reversal of 119887221 is 122788911.

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 not a de Polignac number, because 119887221 - 2¹⁰ = 119886197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 119887221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119887211) 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, 19981201 + ... + 19981206.

It is an arithmetic number, because the mean of its divisors is an integer number (39962408).

Almost surely, 2^119887221 is an apocalyptic number.

It is an amenable number.

119887221 is a deficient number, since it is larger than the sum of its proper divisors (39962411).

119887221 is an equidigital number, since it uses as much as digits as its factorization.

119887221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39962410.

The product of its digits is 16128, while the sum is 39.

The square root of 119887221 is about 10949.3023065399. The cubic root of 119887221 is about 493.0878459159.

The spelling of 119887221 in words is "one hundred nineteen million, eight hundred eighty-seven thousand, two hundred twenty-one".