122641271420 has 24 divisors (see below), whose sum is σ = 257567842224. Its totient is φ = 49052475776.

The previous prime is 122641271399. The next prime is 122641271447. The reversal of 122641271420 is 24172146221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3647 + ... + 495273.

It is an arithmetic number, because the mean of its divisors is an integer number (10731993426).

Almost surely, 2^122641271420 is an apocalyptic number.

122641271420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122641271420 is an abundant number, since it is smaller than the sum of its proper divisors (134926570804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122641271420 is a wasteful number, since it uses less digits than its factorization.

122641271420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504109 (or 504107 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 122641271420 in words is "one hundred twenty-two billion, six hundred forty-one million, two hundred seventy-one thousand, four hundred twenty".