120620415 has 16 divisors (see below), whose sum is σ = 193320288. Its totient is φ = 64221696.

The previous prime is 120620393. The next prime is 120620419. The reversal of 120620415 is 514026021.

It is not a de Polignac number, because 120620415 - 2¹⁹ = 120096127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120620391 and 120620400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120620419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2739 + ... + 15771.

It is an arithmetic number, because the mean of its divisors is an integer number (12082518).

Almost surely, 2^120620415 is an apocalyptic number.

120620415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120620415 is a deficient number, since it is larger than the sum of its proper divisors (72699873).

120620415 is a wasteful number, since it uses less digits than its factorization.

120620415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13658.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 120620415 is about 10982.7325834694. The cubic root of 120620415 is about 494.0909957656.

Adding to 120620415 its reverse (514026021), we get a palindrome (634646436).

The spelling of 120620415 in words is "one hundred twenty million, six hundred twenty thousand, four hundred fifteen".