120543215 has 16 divisors (see below), whose sum is σ = 156269568. Its totient is φ = 88736256.

The previous prime is 120543179. The next prime is 120543223. The reversal of 120543215 is 512345021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120543215 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19154 + ... + 24656.

It is an arithmetic number, because the mean of its divisors is an integer number (9766848).

Almost surely, 2^120543215 is an apocalyptic number.

120543215 is a deficient number, since it is larger than the sum of its proper divisors (35726353).

120543215 is a wasteful number, since it uses less digits than its factorization.

120543215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5858.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 120543215 is about 10979.2174129125. The cubic root of 120543215 is about 493.9855631835.

Adding to 120543215 its reverse (512345021), we get a palindrome (632888236).

The spelling of 120543215 in words is "one hundred twenty million, five hundred forty-three thousand, two hundred fifteen".