126605660 has 12 divisors (see below), whose sum is σ = 265871928. Its totient is φ = 50642256.

The previous prime is 126605659. The next prime is 126605669. The reversal of 126605660 is 66506621.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126605669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3165122 + ... + 3165161.

It is an arithmetic number, because the mean of its divisors is an integer number (22155994).

Almost surely, 2^126605660 is an apocalyptic number.

126605660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126605660 is an abundant number, since it is smaller than the sum of its proper divisors (139266268).

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

126605660 is a wasteful number, since it uses less digits than its factorization.

126605660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330292 (or 6330290 counting only the distinct ones).

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

The square root of 126605660 is about 11251.9180587134. The cubic root of 126605660 is about 502.1317781269.

The spelling of 126605660 in words is "one hundred twenty-six million, six hundred five thousand, six hundred sixty".