120313421 has 4 divisors (see below), whose sum is σ = 120623100. Its totient is φ = 120003744.

The previous prime is 120313409. The next prime is 120313429. The reversal of 120313421 is 124313021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61622500 + 58690921 = 7850^2 + 7661^2 .

It is a cyclic number.

It is not a de Polignac number, because 120313421 - 2⁶ = 120313357 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 120313421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120313429) 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, 154256 + ... + 155033.

It is an arithmetic number, because the mean of its divisors is an integer number (30155775).

Almost surely, 2^120313421 is an apocalyptic number.

It is an amenable number.

120313421 is a deficient number, since it is larger than the sum of its proper divisors (309679).

120313421 is an equidigital number, since it uses as much as digits as its factorization.

120313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309678.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 120313421 is about 10968.7474672362. The cubic root of 120313421 is about 493.6714652424.

Adding to 120313421 its reverse (124313021), we get a palindrome (244626442).

The spelling of 120313421 in words is "one hundred twenty million, three hundred thirteen thousand, four hundred twenty-one".