120415 has 4 divisors (see below), whose sum is σ = 144504. Its totient is φ = 96328.

The previous prime is 120413. The next prime is 120427. The reversal of 120415 is 514021.

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

It is a cyclic number.

It is not a de Polignac number, because 120415 - 2¹ = 120413 is a prime.

It is a Duffinian number.

120415 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 120395 and 120404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120413) 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, 12037 + ... + 12046.

It is an arithmetic number, because the mean of its divisors is an integer number (36126).

2¹²⁰⁴¹⁵ is an apocalyptic number.

120415 is a deficient number, since it is larger than the sum of its proper divisors (24089).

120415 is an equidigital number, since it uses as much as digits as its factorization.

120415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24088.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 120415 is about 347.0086454254. The cubic root of 120415 is about 49.3810359549.

Adding to 120415 its reverse (514021), we get a palindrome (634436).

It can be divided in two parts, 120 and 415, that added together give a palindrome (535).

The spelling of 120415 in words is "one hundred twenty thousand, four hundred fifteen".