120840411 has 8 divisors (see below), whose sum is σ = 161269264. Its totient is φ = 80485920.

The previous prime is 120840389. The next prime is 120840427. The reversal of 120840411 is 114048021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120840411 - 2⁷ = 120840283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120840481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14680 + ... + 21381.

It is an arithmetic number, because the mean of its divisors is an integer number (20158658).

Almost surely, 2^120840411 is an apocalyptic number.

120840411 is a deficient number, since it is larger than the sum of its proper divisors (40428853).

120840411 is a wasteful number, since it uses less digits than its factorization.

120840411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37181.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 120840411 is about 10992.7435610952. The cubic root of 120840411 is about 494.3911993032.

Adding to 120840411 its reverse (114048021), we get a palindrome (234888432).

The spelling of 120840411 in words is "one hundred twenty million, eight hundred forty thousand, four hundred eleven".