102426497 has 2 divisors, whose sum is σ = 102426498. Its totient is φ = 102426496.

The previous prime is 102426481. The next prime is 102426523. The reversal of 102426497 is 794624201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93876721 + 8549776 = 9689^2 + 2924^2 .

It is a cyclic number.

It is not a de Polignac number, because 102426497 - 2⁴ = 102426481 is a prime.

It is not a weakly prime, because it can be changed into another prime (102426437) 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, 51213248 + 51213249.

It is an arithmetic number, because the mean of its divisors is an integer number (51213249).

Almost surely, 2^102426497 is an apocalyptic number.

It is an amenable number.

102426497 is a deficient number, since it is larger than the sum of its proper divisors (1).

102426497 is an equidigital number, since it uses as much as digits as its factorization.

102426497 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 35.

The square root of 102426497 is about 10120.5976602175. The cubic root of 102426497 is about 467.8831876017.

The spelling of 102426497 in words is "one hundred two million, four hundred twenty-six thousand, four hundred ninety-seven".