120315100421 has 8 divisors (see below), whose sum is σ = 121095767520. Its totient is φ = 119535639408.

The previous prime is 120315100417. The next prime is 120315100439. The reversal of 120315100421 is 124001513021.

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 120315100421 - 2² = 120315100417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120315100393 and 120315100402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120315100921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100931 + ... + 500816.

It is an arithmetic number, because the mean of its divisors is an integer number (15136970940).

Almost surely, 2^120315100421 is an apocalyptic number.

It is an amenable number.

120315100421 is a deficient number, since it is larger than the sum of its proper divisors (780667099).

120315100421 is a wasteful number, since it uses less digits than its factorization.

120315100421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603043.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 120315100421 its reverse (124001513021), we get a palindrome (244316613442).

The spelling of 120315100421 in words is "one hundred twenty billion, three hundred fifteen million, one hundred thousand, four hundred twenty-one".