120243015 has 32 divisors (see below), whose sum is σ = 214261440. Its totient is φ = 63980928.

The previous prime is 120242999. The next prime is 120243029. The reversal of 120243015 is 510342021.

It is not a de Polignac number, because 120243015 - 2⁴ = 120242999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82029 + ... + 83481.

It is an arithmetic number, because the mean of its divisors is an integer number (6695670).

Almost surely, 2^120243015 is an apocalyptic number.

120243015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120243015 is a deficient number, since it is larger than the sum of its proper divisors (94018425).

120243015 is a wasteful number, since it uses less digits than its factorization.

120243015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120243015 is about 10965.5376065198. The cubic root of 120243015 is about 493.5751495391.

Adding to 120243015 its reverse (510342021), we get a palindrome (630585036).

The spelling of 120243015 in words is "one hundred twenty million, two hundred forty-three thousand, fifteen".