14121920 has 28 divisors (see below), whose sum is σ = 33628584. Its totient is φ = 5648640.

The previous prime is 14121911. The next prime is 14121929. The reversal of 14121920 is 2912141.

It is an interprime number because it is at equal distance from previous prime (14121911) and next prime (14121929).

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14121892 and 14121901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14121929) 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, 21746 + ... + 22385.

Almost surely, 2^14121920 is an apocalyptic number.

14121920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14121920 is an abundant number, since it is smaller than the sum of its proper divisors (19506664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14121920 is an equidigital number, since it uses as much as digits as its factorization.

14121920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44148 (or 44138 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 14121920 is about 3757.9143151488. The cubic root of 14121920 is about 241.7118351298.

The spelling of 14121920 in words is "fourteen million, one hundred twenty-one thousand, nine hundred twenty".