122647449501 has 24 divisors (see below), whose sum is σ = 187625393280. Its totient is φ = 76936004736.

The previous prime is 122647449479. The next prime is 122647449527. The reversal of 122647449501 is 105944746221.

122647449501 is a `hidden beast` number, since 12 + 2 + 64 + 74 + 4 + 9 + 501 = 666.

It is not a de Polignac number, because 122647449501 - 2¹⁰ = 122647448477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122647449401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 525826 + ... + 722348.

It is an arithmetic number, because the mean of its divisors is an integer number (7817724720).

Almost surely, 2^122647449501 is an apocalyptic number.

It is an amenable number.

122647449501 is a deficient number, since it is larger than the sum of its proper divisors (64977943779).

122647449501 is a wasteful number, since it uses less digits than its factorization.

122647449501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200625 (or 200622 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 122647449501 in words is "one hundred twenty-two billion, six hundred forty-seven million, four hundred forty-nine thousand, five hundred one".