120404111 has 4 divisors (see below), whose sum is σ = 120440424. Its totient is φ = 120367800.

The previous prime is 120404107. The next prime is 120404113. The reversal of 120404111 is 111404021.

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 120404111 - 2² = 120404107 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 (120404113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12620 + ... + 20001.

It is an arithmetic number, because the mean of its divisors is an integer number (30110106).

Almost surely, 2^120404111 is an apocalyptic number.

120404111 is a deficient number, since it is larger than the sum of its proper divisors (36313).

120404111 is an equidigital number, since it uses as much as digits as its factorization.

120404111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36312.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 120404111 is about 10972.8807065419. The cubic root of 120404111 is about 493.7954741859.

Adding to 120404111 its reverse (111404021), we get a palindrome (231808132).

The spelling of 120404111 in words is "one hundred twenty million, four hundred four thousand, one hundred eleven".