126568 has 16 divisors (see below), whose sum is σ = 255780. Its totient is φ = 58368.

The previous prime is 126551. The next prime is 126583. The reversal of 126568 is 865621.

It can be written as a sum of positive squares in 2 ways, for example, as 116964 + 9604 = 342^2 + 98^2 .

It is a plaindrome in base 15.

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, 505 + ... + 712.

2¹²⁶⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

126568 is an abundant number, since it is smaller than the sum of its proper divisors (129212).

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

126568 is a wasteful number, since it uses less digits than its factorization.

126568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1232 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 126568 is about 355.7639666970. The cubic root of 126568 is about 50.2081985308.

It can be divided in two parts, 1 and 26568, that added together give a square (26569 = 163²).

The spelling of 126568 in words is "one hundred twenty-six thousand, five hundred sixty-eight".