126542868 has 24 divisors (see below), whose sum is σ = 304792320. Its totient is φ = 40820160.

The previous prime is 126542839. The next prime is 126542873. The reversal of 126542868 is 868245621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169713 + ... + 170456.

It is an arithmetic number, because the mean of its divisors is an integer number (12699680).

Almost surely, 2^126542868 is an apocalyptic number.

It is an amenable number.

126542868 is an abundant number, since it is smaller than the sum of its proper divisors (178249452).

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

126542868 is a wasteful number, since it uses less digits than its factorization.

126542868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340207 (or 340205 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 126542868 is about 11249.1274328278. The cubic root of 126542868 is about 502.0487511053.

The spelling of 126542868 in words is "one hundred twenty-six million, five hundred forty-two thousand, eight hundred sixty-eight".