122764660 has 24 divisors (see below), whose sum is σ = 264095496. Its totient is φ = 47907840.

The previous prime is 122764601. The next prime is 122764673. The reversal of 122764660 is 66467221.

It can be written as a sum of positive squares in 4 ways, for example, as 8317456 + 114447204 = 2884^2 + 10698^2 .

It is a congruent number.

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, 74037 + ... + 75676.

It is an arithmetic number, because the mean of its divisors is an integer number (11003979).

Almost surely, 2^122764660 is an apocalyptic number.

122764660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122764660 is an abundant number, since it is smaller than the sum of its proper divisors (141330836).

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

122764660 is a wasteful number, since it uses less digits than its factorization.

122764660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149763 (or 149761 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 122764660 is about 11079.9214798662. The cubic root of 122764660 is about 497.0016018258.

It can be divided in two parts, 12 and 2764660, that added together give a palindrome (2764672).

The spelling of 122764660 in words is "one hundred twenty-two million, seven hundred sixty-four thousand, six hundred sixty".