122650601838 has 16 divisors (see below), whose sum is σ = 245318368080. Its totient is φ = 40880673216.

The previous prime is 122650601833. The next prime is 122650601839. The reversal of 122650601838 is 838106056221.

It is a self number, because there is not a number n which added to its sum of digits gives 122650601838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122650601833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621343 + ... + 794586.

It is an arithmetic number, because the mean of its divisors is an integer number (15332398005).

Almost surely, 2^122650601838 is an apocalyptic number.

122650601838 is an abundant number, since it is smaller than the sum of its proper divisors (122667766242).

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

122650601838 is a wasteful number, since it uses less digits than its factorization.

122650601838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430371.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 122650601838 in words is "one hundred twenty-two billion, six hundred fifty million, six hundred one thousand, eight hundred thirty-eight".