122621367140 has 24 divisors (see below), whose sum is σ = 257822420352. Its totient is φ = 48988061280.

The previous prime is 122621367137. The next prime is 122621367157. The reversal of 122621367140 is 41763126221.

It is a self number, because there is not a number n which added to its sum of digits gives 122621367140.

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, 3763724 + ... + 3796163.

It is an arithmetic number, because the mean of its divisors is an integer number (10742600848).

Almost surely, 2^122621367140 is an apocalyptic number.

122621367140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122621367140 is an abundant number, since it is smaller than the sum of its proper divisors (135201053212).

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

122621367140 is a wasteful number, since it uses less digits than its factorization.

122621367140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560707 (or 7560705 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 122621367140 in words is "one hundred twenty-two billion, six hundred twenty-one million, three hundred sixty-seven thousand, one hundred forty".