120541111 has 4 divisors (see below), whose sum is σ = 126885400. Its totient is φ = 114196824.

The previous prime is 120541097. The next prime is 120541129. The reversal of 120541111 is 111145021.

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 120541111 - 2¹⁷ = 120410039 is a prime.

It is a super-2 number, since 2×120541111² = 29060318882228642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120541151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3172116 + ... + 3172153.

It is an arithmetic number, because the mean of its divisors is an integer number (31721350).

Almost surely, 2^120541111 is an apocalyptic number.

120541111 is a deficient number, since it is larger than the sum of its proper divisors (6344289).

120541111 is an equidigital number, since it uses as much as digits as its factorization.

120541111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344288.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 120541111 is about 10979.1215951004. The cubic root of 120541111 is about 493.9826891058.

Adding to 120541111 its reverse (111145021), we get a palindrome (231686132).

The spelling of 120541111 in words is "one hundred twenty million, five hundred forty-one thousand, one hundred eleven".