122312143 has 8 divisors (see below), whose sum is σ = 129338496. Its totient is φ = 115478400.

The previous prime is 122312131. The next prime is 122312147. The reversal of 122312143 is 341213221.

It is a happy number.

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 122312143 - 2¹⁷ = 122181071 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 122312143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312147) 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, 46846 + ... + 49387.

It is an arithmetic number, because the mean of its divisors is an integer number (16167312).

Almost surely, 2^122312143 is an apocalyptic number.

122312143 is a deficient number, since it is larger than the sum of its proper divisors (7026353).

122312143 is an equidigital number, since it uses as much as digits as its factorization.

122312143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96305.

The product of its digits is 288, while the sum is 19.

The square root of 122312143 is about 11059.4820403127. The cubic root of 122312143 is about 496.3901919563.

Adding to 122312143 its reverse (341213221), we get a palindrome (463525364).

It can be divided in two parts, 1223 and 12143, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 122312143 in words is "one hundred twenty-two million, three hundred twelve thousand, one hundred forty-three".