122031231 has 8 divisors (see below), whose sum is σ = 185952384. Its totient is φ = 69732120.

The previous prime is 122031229. The next prime is 122031251. The reversal of 122031231 is 132130221.

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

It is not a de Polignac number, because 122031231 - 2¹ = 122031229 is a prime.

It is a super-2 number, since 2×122031231² = 29783242678750722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122031231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122031251) 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, 2905485 + ... + 2905526.

It is an arithmetic number, because the mean of its divisors is an integer number (23244048).

Almost surely, 2^122031231 is an apocalyptic number.

122031231 is a deficient number, since it is larger than the sum of its proper divisors (63921153).

122031231 is an equidigital number, since it uses as much as digits as its factorization.

122031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811021.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 122031231 is about 11046.7746876634. The cubic root of 122031231 is about 496.0098839840.

Adding to 122031231 its reverse (132130221), we get a palindrome (254161452).

The spelling of 122031231 in words is "one hundred twenty-two million, thirty-one thousand, two hundred thirty-one".