126560660 has 24 divisors (see below), whose sum is σ = 271434240. Its totient is φ = 49546784.

The previous prime is 126560657. The next prime is 126560671. The reversal of 126560660 is 66065621.

It is a super-3 number, since 3×126560660³ (a number of 25 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 66380 + ... + 68259.

It is an arithmetic number, because the mean of its divisors is an integer number (11309760).

Almost surely, 2^126560660 is an apocalyptic number.

126560660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126560660 is an abundant number, since it is smaller than the sum of its proper divisors (144873580).

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

126560660 is a wasteful number, since it uses less digits than its factorization.

126560660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134695 (or 134693 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 126560660 is about 11249.9182219250. The cubic root of 126560660 is about 502.0722794503.

The spelling of 126560660 in words is "one hundred twenty-six million, five hundred sixty thousand, six hundred sixty".