122501275647 has 32 divisors (see below), whose sum is σ = 173922577920. Its totient is φ = 76429393920.

The previous prime is 122501275627. The next prime is 122501275649. The reversal of 122501275647 is 746572105221.

It is not a de Polignac number, because 122501275647 - 2¹¹ = 122501273599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122501275599 and 122501275608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122501275649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6636543 + ... + 6654975.

It is an arithmetic number, because the mean of its divisors is an integer number (5435080560).

Almost surely, 2^122501275647 is an apocalyptic number.

122501275647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

122501275647 is a deficient number, since it is larger than the sum of its proper divisors (51421302273).

122501275647 is a wasteful number, since it uses less digits than its factorization.

122501275647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19183.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 122501275647 in words is "one hundred twenty-two billion, five hundred one million, two hundred seventy-five thousand, six hundred forty-seven".