122847560 has 96 divisors (see below), whose sum is σ = 310754880. Its totient is φ = 43344000.

The previous prime is 122847551. The next prime is 122847629. The reversal of 122847560 is 65748221.

It is a self number, because there is not a number n which added to its sum of digits gives 122847560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 813485 + ... + 813635.

It is an arithmetic number, because the mean of its divisors is an integer number (3237030).

Almost surely, 2^122847560 is an apocalyptic number.

122847560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122847560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155377440).

122847560 is an abundant number, since it is smaller than the sum of its proper divisors (187907320).

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

122847560 is a wasteful number, since it uses less digits than its factorization.

122847560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 122847560 is about 11083.6618497679. The cubic root of 122847560 is about 497.1134477000.

The spelling of 122847560 in words is "one hundred twenty-two million, eight hundred forty-seven thousand, five hundred sixty".