122600660 has 192 divisors, whose sum is σ = 341397504. Its totient is φ = 35942400.

The previous prime is 122600633. The next prime is 122600663. The reversal of 122600660 is 66006221.

It is a super-4 number, since 4×122600660⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122600663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2313194 + ... + 2313246.

It is an arithmetic number, because the mean of its divisors is an integer number (1778112).

Almost surely, 2^122600660 is an apocalyptic number.

122600660 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 122600660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170698752).

122600660 is an abundant number, since it is smaller than the sum of its proper divisors (218796844).

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

122600660 is a wasteful number, since it uses less digits than its factorization.

122600660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 122600660 is about 11072.5182320916. The cubic root of 122600660 is about 496.7801901563.

Adding to 122600660 its reverse (66006221), we get a palindrome (188606881).

The spelling of 122600660 in words is "one hundred twenty-two million, six hundred thousand, six hundred sixty".