120686841 has 40 divisors (see below), whose sum is σ = 207055200. Its totient is φ = 69284160.

The previous prime is 120686837. The next prime is 120686921. The reversal of 120686841 is 148686021.

It is not a de Polignac number, because 120686841 - 2² = 120686837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120686796 and 120686805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120686831) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13365 + ... + 20493.

It is an arithmetic number, because the mean of its divisors is an integer number (5176380).

Almost surely, 2^120686841 is an apocalyptic number.

120686841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120686841 is a deficient number, since it is larger than the sum of its proper divisors (86368359).

120686841 is a wasteful number, since it uses less digits than its factorization.

120686841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171 (or 7162 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 120686841 is about 10985.7562780175. The cubic root of 120686841 is about 494.1816782192.

The spelling of 120686841 in words is "one hundred twenty million, six hundred eighty-six thousand, eight hundred forty-one".