126634868 has 12 divisors (see below), whose sum is σ = 227600772. Its totient is φ = 61606080.

The previous prime is 126634847. The next prime is 126634877. The reversal of 126634868 is 868436621.

It can be written as a sum of positive squares in 2 ways, for example, as 123032464 + 3602404 = 11092^2 + 1898^2 .

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, 427673 + ... + 427968.

It is an arithmetic number, because the mean of its divisors is an integer number (18966731).

Almost surely, 2^126634868 is an apocalyptic number.

It is an amenable number.

126634868 is a deficient number, since it is larger than the sum of its proper divisors (100965904).

126634868 is a wasteful number, since it uses less digits than its factorization.

126634868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855682 (or 855680 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 126634868 is about 11253.2158959117. The cubic root of 126634868 is about 502.1703891898.

The spelling of 126634868 in words is "one hundred twenty-six million, six hundred thirty-four thousand, eight hundred sixty-eight".