126540188 has 12 divisors (see below), whose sum is σ = 221922792. Its totient is φ = 63133680.

The previous prime is 126540151. The next prime is 126540217. The reversal of 126540188 is 881045621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32003 + ... + 35738.

It is an arithmetic number, because the mean of its divisors is an integer number (18493566).

Almost surely, 2^126540188 is an apocalyptic number.

It is an amenable number.

126540188 is a deficient number, since it is larger than the sum of its proper divisors (95382604).

126540188 is a wasteful number, since it uses less digits than its factorization.

126540188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68212 (or 68210 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 126540188 is about 11249.0083118469. The cubic root of 126540188 is about 502.0452068514.

The spelling of 126540188 in words is "one hundred twenty-six million, five hundred forty thousand, one hundred eighty-eight".