122567798243 has 8 divisors (see below), whose sum is σ = 135402862080. Its totient is φ = 110014823880.

The previous prime is 122567798203. The next prime is 122567798281. The reversal of 122567798243 is 342897765221.

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 122567798243 - 2⁶ = 122567798179 is a prime.

It is a super-2 number, since 2×122567798243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122567798203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70521455 + ... + 70523192.

It is an arithmetic number, because the mean of its divisors is an integer number (16925357760).

Almost surely, 2^122567798243 is an apocalyptic number.

122567798243 is a deficient number, since it is larger than the sum of its proper divisors (12835063837).

122567798243 is a wasteful number, since it uses less digits than its factorization.

122567798243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141044737.

The product of its digits is 10160640, while the sum is 56.

The spelling of 122567798243 in words is "one hundred twenty-two billion, five hundred sixty-seven million, seven hundred ninety-eight thousand, two hundred forty-three".