122525320407 has 12 divisors (see below), whose sum is σ = 190039272696. Its totient is φ = 70014468720.

The previous prime is 122525320373. The next prime is 122525320429. The reversal of 122525320407 is 704023525221.

It is not a de Polignac number, because 122525320407 - 2¹² = 122525316311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122525320457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416752644 + ... + 416752937.

It is an arithmetic number, because the mean of its divisors is an integer number (15836606058).

Almost surely, 2^122525320407 is an apocalyptic number.

122525320407 is a deficient number, since it is larger than the sum of its proper divisors (67513952289).

122525320407 is an equidigital number, since it uses as much as digits as its factorization.

122525320407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833505598 (or 833505591 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

Adding to 122525320407 its reverse (704023525221), we get a palindrome (826548845628).

The spelling of 122525320407 in words is "one hundred twenty-two billion, five hundred twenty-five million, three hundred twenty thousand, four hundred seven".