123488660 has 48 divisors (see below), whose sum is σ = 264699792. Its totient is φ = 48384000.

The previous prime is 123488639. The next prime is 123488683. The reversal of 123488660 is 66884321.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2972176 + 120516484 = 1724^2 + 10978^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227990 + ... + 228530.

It is an arithmetic number, because the mean of its divisors is an integer number (5514579).

Almost surely, 2^123488660 is an apocalyptic number.

123488660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123488660 is an abundant number, since it is smaller than the sum of its proper divisors (141211132).

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

123488660 is a wasteful number, since it uses less digits than its factorization.

123488660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 123488660 is about 11112.5451630128. The cubic root of 123488660 is about 497.9767035870.

The spelling of 123488660 in words is "one hundred twenty-three million, four hundred eighty-eight thousand, six hundred sixty".