122660664 has 64 divisors (see below), whose sum is σ = 353280000. Its totient is φ = 34763904.

The previous prime is 122660651. The next prime is 122660669. The reversal of 122660664 is 466066221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122660669) 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, 18462 + ... + 24210.

It is an arithmetic number, because the mean of its divisors is an integer number (5520000).

Almost surely, 2^122660664 is an apocalyptic number.

122660664 is a gapful number since it is divisible by the number (14) 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 122660664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176640000).

122660664 is an abundant number, since it is smaller than the sum of its proper divisors (230619336).

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

122660664 is a wasteful number, since it uses less digits than its factorization.

122660664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5892 (or 5888 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 122660664 is about 11075.2274920202. The cubic root of 122660664 is about 496.8612227183.

The spelling of 122660664 in words is "one hundred twenty-two million, six hundred sixty thousand, six hundred sixty-four".