126808097 has 8 divisors (see below), whose sum is σ = 141272040. Its totient is φ = 113016960.

The previous prime is 126808091. The next prime is 126808127. The reversal of 126808097 is 790808621.

It can be written as a sum of positive squares in 4 ways, for example, as 12082576 + 114725521 = 3476^2 + 10711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126808097 - 2⁸ = 126807841 is a prime.

It is a super-2 number, since 2×126808097² = 32160586929522818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126808091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167804 + ... + 168557.

It is an arithmetic number, because the mean of its divisors is an integer number (17659005).

Almost surely, 2^126808097 is an apocalyptic number.

It is an amenable number.

126808097 is a deficient number, since it is larger than the sum of its proper divisors (14463943).

126808097 is a wasteful number, since it uses less digits than its factorization.

126808097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336403.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 126808097 is about 11260.9101319565. The cubic root of 126808097 is about 502.3992646433.

The spelling of 126808097 in words is "one hundred twenty-six million, eight hundred eight thousand, ninety-seven".