122072425525 has 6 divisors (see below), whose sum is σ = 151369807682. Its totient is φ = 97657940400.

The previous prime is 122072425523. The next prime is 122072425547. The reversal of 122072425525 is 525524270221.

It can be written as a sum of positive squares in 3 ways, for example, as 177875569 + 121894549956 = 13337^2 + 349134^2 .

It is not a de Polignac number, because 122072425525 - 2¹ = 122072425523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122072425523) 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 5 ways as a sum of consecutive naturals, for example, 2441448486 + ... + 2441448535.

Almost surely, 2^122072425525 is an apocalyptic number.

It is an amenable number.

122072425525 is a deficient number, since it is larger than the sum of its proper divisors (29297382157).

122072425525 is an equidigital number, since it uses as much as digits as its factorization.

122072425525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882897031 (or 4882897026 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 37.

Adding to 122072425525 its reverse (525524270221), we get a palindrome (647596695746).

The spelling of 122072425525 in words is "one hundred twenty-two billion, seventy-two million, four hundred twenty-five thousand, five hundred twenty-five".