126124868 has 6 divisors (see below), whose sum is σ = 220718526. Its totient is φ = 63062432.

The previous prime is 126124849. The next prime is 126124871. The reversal of 126124868 is 868421621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 86081284 + 40043584 = 9278^2 + 6328^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15765605 + ... + 15765612.

It is an arithmetic number, because the mean of its divisors is an integer number (36786421).

Almost surely, 2^126124868 is an apocalyptic number.

It is an amenable number.

126124868 is a deficient number, since it is larger than the sum of its proper divisors (94593658).

126124868 is a wasteful number, since it uses less digits than its factorization.

126124868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31531221 (or 31531219 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 126124868 is about 11230.5328457736. The cubic root of 126124868 is about 501.4953474140.

The spelling of 126124868 in words is "one hundred twenty-six million, one hundred twenty-four thousand, eight hundred sixty-eight".