122653012625 has 128 divisors (see below), whose sum is σ = 184029221376. Its totient is φ = 80438400000.

The previous prime is 122653012621. The next prime is 122653012633. The reversal of 122653012625 is 526210356221.

It is not a de Polignac number, because 122653012625 - 2² = 122653012621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122653012621) 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 127 ways as a sum of consecutive naturals, for example, 214803590 + ... + 214804160.

It is an arithmetic number, because the mean of its divisors is an integer number (1437728292).

Almost surely, 2^122653012625 is an apocalyptic number.

It is an amenable number.

122653012625 is a deficient number, since it is larger than the sum of its proper divisors (61376208751).

122653012625 is a wasteful number, since it uses less digits than its factorization.

122653012625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 122653012625 its reverse (526210356221), we get a palindrome (648863368846).

The spelling of 122653012625 in words is "one hundred twenty-two billion, six hundred fifty-three million, twelve thousand, six hundred twenty-five".