122983560 has 192 divisors, whose sum is σ = 469497600. Its totient is φ = 27330048.

The previous prime is 122983547. The next prime is 122983583. The reversal of 122983560 is 65389221.

122983560 is a `hidden beast` number, since 1 + 2 + 2 + 98 + 3 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92581 + ... + 93899.

It is an arithmetic number, because the mean of its divisors is an integer number (2445300).

Almost surely, 2^122983560 is an apocalyptic number.

122983560 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 122983560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234748800).

122983560 is an abundant number, since it is smaller than the sum of its proper divisors (346514040).

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

122983560 is a wasteful number, since it uses less digits than its factorization.

122983560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 122983560 is about 11089.7953092021. The cubic root of 122983560 is about 497.2968253638.

The spelling of 122983560 in words is "one hundred twenty-two million, nine hundred eighty-three thousand, five hundred sixty".