122663243 has 4 divisors (see below), whose sum is σ = 126893040. Its totient is φ = 118433448.

The previous prime is 122663239. The next prime is 122663263. The reversal of 122663243 is 342366221.

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

It is not a de Polignac number, because 122663243 - 2² = 122663239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 4229767 = 122663243 / (1 + 2 + 2 + 6 + 6 + 3 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122663263) 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, 2114855 + ... + 2114912.

It is an arithmetic number, because the mean of its divisors is an integer number (31723260).

Almost surely, 2^122663243 is an apocalyptic number.

122663243 is a deficient number, since it is larger than the sum of its proper divisors (4229797).

122663243 is an equidigital number, since it uses as much as digits as its factorization.

122663243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229796.

The product of its digits is 10368, while the sum is 29.

The square root of 122663243 is about 11075.3439224252. The cubic root of 122663243 is about 496.8647049434.

The spelling of 122663243 in words is "one hundred twenty-two million, six hundred sixty-three thousand, two hundred forty-three".