122664456140 has 48 divisors (see below), whose sum is σ = 265944290304. Its totient is φ = 47475979200.

The previous prime is 122664456139. The next prime is 122664456143. The reversal of 122664456140 is 41654466221.

It is not an unprimeable number, because it can be changed into a prime (122664456143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6519827 + ... + 6538613.

It is an arithmetic number, because the mean of its divisors is an integer number (5540506048).

Almost surely, 2^122664456140 is an apocalyptic number.

122664456140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122664456140 is an abundant number, since it is smaller than the sum of its proper divisors (143279834164).

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

122664456140 is a wasteful number, since it uses less digits than its factorization.

122664456140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29358 (or 29356 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 122664456140 in words is "one hundred twenty-two billion, six hundred sixty-four million, four hundred fifty-six thousand, one hundred forty".