120073421 has 8 divisors (see below), whose sum is σ = 130298784. Its totient is φ = 109989360.

The previous prime is 120073417. The next prime is 120073441. The reversal of 120073421 is 124370021.

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

It is not a de Polignac number, because 120073421 - 2² = 120073417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120073393 and 120073402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120073441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33551 + ... + 36956.

It is an arithmetic number, because the mean of its divisors is an integer number (16287348).

Almost surely, 2^120073421 is an apocalyptic number.

It is an amenable number.

120073421 is a deficient number, since it is larger than the sum of its proper divisors (10225363).

120073421 is a wasteful number, since it uses less digits than its factorization.

120073421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70651.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 120073421 is about 10957.8018324845. The cubic root of 120073421 is about 493.3429897773.

The spelling of 120073421 in words is "one hundred twenty million, seventy-three thousand, four hundred twenty-one".