120839311 has 8 divisors (see below), whose sum is σ = 123578784. Its totient is φ = 118116960.

The previous prime is 120839287. The next prime is 120839339. The reversal of 120839311 is 113938021.

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

It is a cyclic number.

It is not a de Polignac number, because 120839311 - 2⁹ = 120838799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120839311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120839351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10566 + ... + 18796.

It is an arithmetic number, because the mean of its divisors is an integer number (15447348).

Almost surely, 2^120839311 is an apocalyptic number.

120839311 is a deficient number, since it is larger than the sum of its proper divisors (2739473).

120839311 is an equidigital number, since it uses as much as digits as its factorization.

120839311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8561.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 120839311 is about 10992.6935279758. The cubic root of 120839311 is about 494.3896991649.

The spelling of 120839311 in words is "one hundred twenty million, eight hundred thirty-nine thousand, three hundred eleven".