122456243 has 12 divisors (see below), whose sum is σ = 153407520. Its totient is φ = 96887952.

The previous prime is 122456239. The next prime is 122456251. The reversal of 122456243 is 342654221.

It is not a de Polignac number, because 122456243 - 2² = 122456239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122456233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95483 + ... + 96756.

It is an arithmetic number, because the mean of its divisors is an integer number (12783960).

Almost surely, 2^122456243 is an apocalyptic number.

122456243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122456243 is a deficient number, since it is larger than the sum of its proper divisors (30951277).

122456243 is a wasteful number, since it uses less digits than its factorization.

122456243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192266 (or 192259 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 122456243 is about 11065.9948942696. The cubic root of 122456243 is about 496.5850533787.

The spelling of 122456243 in words is "one hundred twenty-two million, four hundred fifty-six thousand, two hundred forty-three".