126530868 has 12 divisors (see below), whose sum is σ = 295238720. Its totient is φ = 42176952.

The previous prime is 126530863. The next prime is 126530893. The reversal of 126530868 is 868035621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126530863) 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, 5272108 + ... + 5272131.

Almost surely, 2^126530868 is an apocalyptic number.

It is an amenable number.

126530868 is an abundant number, since it is smaller than the sum of its proper divisors (168707852).

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

126530868 is a wasteful number, since it uses less digits than its factorization.

126530868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544246 (or 10544244 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 126530868 is about 11248.5940454796. The cubic root of 126530868 is about 502.0328809222.

The spelling of 126530868 in words is "one hundred twenty-six million, five hundred thirty thousand, eight hundred sixty-eight".