120238311 has 4 divisors (see below), whose sum is σ = 160317752. Its totient is φ = 80158872.

The previous prime is 120238309. The next prime is 120238333. The reversal of 120238311 is 113832021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120238311 - 2¹ = 120238309 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 (120238301) 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, 20039716 + ... + 20039721.

It is an arithmetic number, because the mean of its divisors is an integer number (40079438).

Almost surely, 2^120238311 is an apocalyptic number.

120238311 is a deficient number, since it is larger than the sum of its proper divisors (40079441).

120238311 is an equidigital number, since it uses as much as digits as its factorization.

120238311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40079440.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 120238311 is about 10965.3231142543. The cubic root of 120238311 is about 493.5687131076.

The spelling of 120238311 in words is "one hundred twenty million, two hundred thirty-eight thousand, three hundred eleven".