122343281 has 4 divisors (see below), whose sum is σ = 122472612. Its totient is φ = 122213952.

The previous prime is 122343269. The next prime is 122343283. The reversal of 122343281 is 182343221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 63744256 + 58599025 = 7984^2 + 7655^2 .

It is a cyclic number.

It is not a de Polignac number, because 122343281 - 2⁶ = 122343217 is a prime.

It is a super-2 number, since 2×122343281² = 29935756811689922, which contains 22 as substring.

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 122343281.

It is not an unprimeable number, because it can be changed into a prime (122343283) 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, 63236 + ... + 65141.

It is an arithmetic number, because the mean of its divisors is an integer number (30618153).

Almost surely, 2^122343281 is an apocalyptic number.

It is an amenable number.

122343281 is a deficient number, since it is larger than the sum of its proper divisors (129331).

122343281 is an equidigital number, since it uses as much as digits as its factorization.

122343281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129330.

The product of its digits is 2304, while the sum is 26.

The square root of 122343281 is about 11060.8897020086. The cubic root of 122343281 is about 496.4323117490.

The spelling of 122343281 in words is "one hundred twenty-two million, three hundred forty-three thousand, two hundred eighty-one".