122850243 has 8 divisors (see below), whose sum is σ = 182000400. Its totient is φ = 81900144.

The previous prime is 122850223. The next prime is 122850251. The reversal of 122850243 is 342058221.

It is not a de Polignac number, because 122850243 - 2¹⁰ = 122849219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4550009 = 122850243 / (1 + 2 + 2 + 8 + 5 + 0 + 2 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (122850223) 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, 2274978 + ... + 2275031.

It is an arithmetic number, because the mean of its divisors is an integer number (22750050).

Almost surely, 2^122850243 is an apocalyptic number.

122850243 is a deficient number, since it is larger than the sum of its proper divisors (59150157).

122850243 is an equidigital number, since it uses as much as digits as its factorization.

122850243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550018 (or 4550012 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 122850243 is about 11083.7828831135. The cubic root of 122850243 is about 497.1170666721.

The spelling of 122850243 in words is "one hundred twenty-two million, eight hundred fifty thousand, two hundred forty-three".