126408097 has 2 divisors, whose sum is σ = 126408098. Its totient is φ = 126408096.

The previous prime is 126408091. The next prime is 126408133. The reversal of 126408097 is 790804621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122412096 + 3996001 = 11064^2 + 1999^2 .

It is an emirp because it is prime and its reverse (790804621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126408097 - 2¹⁵ = 126375329 is a prime.

It is a super-2 number, since 2×126408097² = 31958013974322818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126408091) 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 as a sum of consecutive naturals, namely, 63204048 + 63204049.

It is an arithmetic number, because the mean of its divisors is an integer number (63204049).

Almost surely, 2^126408097 is an apocalyptic number.

It is an amenable number.

126408097 is a deficient number, since it is larger than the sum of its proper divisors (1).

126408097 is an equidigital number, since it uses as much as digits as its factorization.

126408097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 126408097 is about 11243.1355501924. The cubic root of 126408097 is about 501.8704567246.

The spelling of 126408097 in words is "one hundred twenty-six million, four hundred eight thousand, ninety-seven".