119231421 has 8 divisors (see below), whose sum is σ = 168326784. Its totient is φ = 74811840.

The previous prime is 119231419. The next prime is 119231429. The reversal of 119231421 is 124132911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 119231421 - 2¹ = 119231419 is a prime.

It is a super-2 number, since 2×119231421² = 28432263507358482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 119231391 and 119231400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119231429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168885 + ... + 1168986.

It is an arithmetic number, because the mean of its divisors is an integer number (21040848).

Almost surely, 2^119231421 is an apocalyptic number.

It is an amenable number.

119231421 is a deficient number, since it is larger than the sum of its proper divisors (49095363).

119231421 is a wasteful number, since it uses less digits than its factorization.

119231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337891.

The product of its digits is 432, while the sum is 24.

The square root of 119231421 is about 10919.3141268122. The cubic root of 119231421 is about 492.1871148619.

It can be divided in two parts, 119 and 231421, that added together give a triangular number (231540 = T₆₈₀).

The spelling of 119231421 in words is "one hundred nineteen million, two hundred thirty-one thousand, four hundred twenty-one".