126868068 has 18 divisors (see below), whose sum is σ = 320694374. Its totient is φ = 42289344.

The previous prime is 126868067. The next prime is 126868097. The reversal of 126868068 is 860868621.

It can be written as a sum of positive squares in only one way, i.e., 108618084 + 18249984 = 10422^2 + 4272^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (126868067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1762021 + ... + 1762092.

Almost surely, 2^126868068 is an apocalyptic number.

126868068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

126868068 is an abundant number, since it is smaller than the sum of its proper divisors (193826306).

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

126868068 is a wasteful number, since it uses less digits than its factorization.

126868068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524123 (or 3524118 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 126868068 is about 11263.5726126305. The cubic root of 126868068 is about 502.4784515895.

The spelling of 126868068 in words is "one hundred twenty-six million, eight hundred sixty-eight thousand, sixty-eight".