124206660 has 36 divisors (see below), whose sum is σ = 376760748. Its totient is φ = 33121728.

The previous prime is 124206631. The next prime is 124206679. The reversal of 124206660 is 66602421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71673156 + 52533504 = 8466^2 + 7248^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344839 + ... + 345198.

Almost surely, 2^124206660 is an apocalyptic number.

124206660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124206660 is an abundant number, since it is smaller than the sum of its proper divisors (252554088).

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

124206660 is a wasteful number, since it uses less digits than its factorization.

124206660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690052 (or 690047 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 124206660 is about 11144.8041705541. The cubic root of 124206660 is about 498.9399675841.

The spelling of 124206660 in words is "one hundred twenty-four million, two hundred six thousand, six hundred sixty".