126868573 has 4 divisors (see below), whose sum is σ = 136627708. Its totient is φ = 117109440.

The previous prime is 126868561. The next prime is 126868639. The reversal of 126868573 is 375868621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8450649 + 118417924 = 2907^2 + 10882^2 .

It is a cyclic number.

It is not a de Polignac number, because 126868573 - 2²¹ = 124771421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126868513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4879548 + ... + 4879573.

It is an arithmetic number, because the mean of its divisors is an integer number (34156927).

Almost surely, 2^126868573 is an apocalyptic number.

126868573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

126868573 is a deficient number, since it is larger than the sum of its proper divisors (9759135).

126868573 is an equidigital number, since it uses as much as digits as its factorization.

126868573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9759134.

The product of its digits is 483840, while the sum is 46.

The square root of 126868573 is about 11263.5950300071. The cubic root of 126868573 is about 502.4791182960.

The spelling of 126868573 in words is "one hundred twenty-six million, eight hundred sixty-eight thousand, five hundred seventy-three".