120420313 has 8 divisors (see below), whose sum is σ = 129774848. Its totient is φ = 111078864.

The previous prime is 120420241. The next prime is 120420323. The reversal of 120420313 is 313024021.

It is a happy number.

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

It is not a de Polignac number, because 120420313 - 2⁹ = 120419801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120420323) 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, 24856 + ... + 29302.

It is an arithmetic number, because the mean of its divisors is an integer number (16221856).

Almost surely, 2^120420313 is an apocalyptic number.

120420313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

120420313 is a deficient number, since it is larger than the sum of its proper divisors (9354535).

120420313 is a wasteful number, since it uses less digits than its factorization.

120420313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 120420313 is about 10973.6189563881. The cubic root of 120420313 is about 493.8176221435.

Adding to 120420313 its reverse (313024021), we get a palindrome (433444334).

The spelling of 120420313 in words is "one hundred twenty million, four hundred twenty thousand, three hundred thirteen".