120411421 has 8 divisors (see below), whose sum is σ = 129841880. Its totient is φ = 111004992.

The previous prime is 120411407. The next prime is 120411433. The reversal of 120411421 is 124114021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5707321 + 114704100 = 2389^2 + 10710^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120411421 - 2⁷ = 120411293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120411395 and 120411404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120411461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5191 + ... + 16363.

It is an arithmetic number, because the mean of its divisors is an integer number (16230235).

Almost surely, 2^120411421 is an apocalyptic number.

It is an amenable number.

120411421 is a deficient number, since it is larger than the sum of its proper divisors (9430459).

120411421 is a wasteful number, since it uses less digits than its factorization.

120411421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12015.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 120411421 is about 10973.2137954202. The cubic root of 120411421 is about 493.8054671223.

Adding to 120411421 its reverse (124114021), we get a palindrome (244525442).

The spelling of 120411421 in words is "one hundred twenty million, four hundred eleven thousand, four hundred twenty-one".