120302231 has 4 divisors (see below), whose sum is σ = 137488272. Its totient is φ = 103116192.

The previous prime is 120302197. The next prime is 120302263. The reversal of 120302231 is 132203021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120302231 is a prime.

It is a super-2 number, since 2×120302231² = 28945253567154722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120302131) 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, 8593010 + ... + 8593023.

It is an arithmetic number, because the mean of its divisors is an integer number (34372068).

Almost surely, 2^120302231 is an apocalyptic number.

120302231 is a deficient number, since it is larger than the sum of its proper divisors (17186041).

120302231 is an equidigital number, since it uses as much as digits as its factorization.

120302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17186040.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120302231 is about 10968.2373697874. The cubic root of 120302231 is about 493.6561597873.

Adding to 120302231 its reverse (132203021), we get a palindrome (252505252).

The spelling of 120302231 in words is "one hundred twenty million, three hundred two thousand, two hundred thirty-one".