120421413 has 12 divisors (see below), whose sum is σ = 198791008. Its totient is φ = 68812200.

The previous prime is 120421409. The next prime is 120421417. The reversal of 120421413 is 314124021.

It is an interprime number because it is at equal distance from previous prime (120421409) and next prime (120421417).

It is not a de Polignac number, because 120421413 - 2² = 120421409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120421417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 955663 + ... + 955788.

Almost surely, 2^120421413 is an apocalyptic number.

It is an amenable number.

120421413 is a deficient number, since it is larger than the sum of its proper divisors (78369595).

120421413 is a wasteful number, since it uses less digits than its factorization.

120421413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911464 (or 1911461 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 120421413 is about 10973.6690764757. The cubic root of 120421413 is about 493.8191257595.

Adding to 120421413 its reverse (314124021), we get a palindrome (434545434).

The spelling of 120421413 in words is "one hundred twenty million, four hundred twenty-one thousand, four hundred thirteen".