122251144525 has 6 divisors (see below), whose sum is σ = 151591419242. Its totient is φ = 97800915600.

The previous prime is 122251144513. The next prime is 122251144571. The reversal of 122251144525 is 525441152221.

It can be written as a sum of positive squares in 3 ways, for example, as 364275396 + 121886869129 = 19086^2 + 349123^2 .

It is not a de Polignac number, because 122251144525 - 2¹¹ = 122251142477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2445022866 + ... + 2445022915.

Almost surely, 2^122251144525 is an apocalyptic number.

It is an amenable number.

122251144525 is a deficient number, since it is larger than the sum of its proper divisors (29340274717).

122251144525 is an equidigital number, since it uses as much as digits as its factorization.

122251144525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890045791 (or 4890045786 counting only the distinct ones).

The product of its digits is 32000, while the sum is 34.

Adding to 122251144525 its reverse (525441152221), we get a palindrome (647692296746).

The spelling of 122251144525 in words is "one hundred twenty-two billion, two hundred fifty-one million, one hundred forty-four thousand, five hundred twenty-five".