126868572 has 24 divisors (see below), whose sum is σ = 328918800. Its totient is φ = 42289488.

The previous prime is 126868561. The next prime is 126868639. The reversal of 126868572 is 275868621.

126868572 is a `hidden beast` number, since 12 + 6 + 8 + 68 + 572 = 666.

It is a super-2 number, since 2×126868572² = 32191269122638368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587247 + ... + 587462.

It is an arithmetic number, because the mean of its divisors is an integer number (13704950).

Almost surely, 2^126868572 is an apocalyptic number.

126868572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126868572 is an abundant number, since it is smaller than the sum of its proper divisors (202050228).

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

126868572 is a wasteful number, since it uses less digits than its factorization.

126868572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174722 (or 1174714 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 126868572 is about 11263.5949856163. The cubic root of 126868572 is about 502.4791169758.

The spelling of 126868572 in words is "one hundred twenty-six million, eight hundred sixty-eight thousand, five hundred seventy-two".