120211015 has 16 divisors (see below), whose sum is σ = 148423968. Its totient is φ = 93413376.

The previous prime is 120211009. The next prime is 120211019. The reversal of 120211015 is 510112021.

It is a cyclic number.

It is not a de Polignac number, because 120211015 - 2⁵ = 120210983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120210986 and 120211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40047 + ... + 42943.

It is an arithmetic number, because the mean of its divisors is an integer number (9276498).

Almost surely, 2^120211015 is an apocalyptic number.

120211015 is a deficient number, since it is larger than the sum of its proper divisors (28212953).

120211015 is a wasteful number, since it uses less digits than its factorization.

120211015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 120211015 is about 10964.0783926420. The cubic root of 120211015 is about 493.5313609772.

Adding to 120211015 its reverse (510112021), we get a palindrome (630323036).

The spelling of 120211015 in words is "one hundred twenty million, two hundred eleven thousand, fifteen".