120135415 has 4 divisors (see below), whose sum is σ = 144162504. Its totient is φ = 96108328.

The previous prime is 120135409. The next prime is 120135419. The reversal of 120135415 is 514531021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514531021 = 29 ⋅17742449.

It is a cyclic number.

It is not a de Polignac number, because 120135415 - 2⁵ = 120135383 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 (120135419) 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 3 ways as a sum of consecutive naturals, for example, 12013537 + ... + 12013546.

It is an arithmetic number, because the mean of its divisors is an integer number (36040626).

Almost surely, 2^120135415 is an apocalyptic number.

120135415 is a deficient number, since it is larger than the sum of its proper divisors (24027089).

120135415 is an equidigital number, since it uses as much as digits as its factorization.

120135415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24027088.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 120135415 is about 10960.6302282305. The cubic root of 120135415 is about 493.4278796250.

Adding to 120135415 its reverse (514531021), we get a palindrome (634666436).

The spelling of 120135415 in words is "one hundred twenty million, one hundred thirty-five thousand, four hundred fifteen".