122553400244 has 24 divisors (see below), whose sum is σ = 233992970400. Its totient is φ = 55699570080.

The previous prime is 122553400241. The next prime is 122553400273. The reversal of 122553400244 is 442004355221.

It is a super-2 number, since 2×122553400244² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122553400244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122553400241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227642 + ... + 544910.

It is an arithmetic number, because the mean of its divisors is an integer number (9749707100).

Almost surely, 2^122553400244 is an apocalyptic number.

It is an amenable number.

122553400244 is a deficient number, since it is larger than the sum of its proper divisors (111439570156).

122553400244 is a wasteful number, since it uses less digits than its factorization.

122553400244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326063 (or 326061 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 122553400244 its reverse (442004355221), we get a palindrome (564557755465).

The spelling of 122553400244 in words is "one hundred twenty-two billion, five hundred fifty-three million, four hundred thousand, two hundred forty-four".