102402697 has 2 divisors, whose sum is σ = 102402698. Its totient is φ = 102402696.

The previous prime is 102402691. The next prime is 102402719. The reversal of 102402697 is 796204201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66928761 + 35473936 = 8181^2 + 5956^2 .

It is a cyclic number.

It is not a de Polignac number, because 102402697 - 2³ = 102402689 is a prime.

It is not a weakly prime, because it can be changed into another prime (102402691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51201348 + 51201349.

It is an arithmetic number, because the mean of its divisors is an integer number (51201349).

Almost surely, 2^102402697 is an apocalyptic number.

It is an amenable number.

102402697 is a deficient number, since it is larger than the sum of its proper divisors (1).

102402697 is an equidigital number, since it uses as much as digits as its factorization.

102402697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 102402697 is about 10119.4217720184. The cubic root of 102402697 is about 467.8469454092.

Adding to 102402697 its reverse (796204201), we get a palindrome (898606898).

The spelling of 102402697 in words is "one hundred two million, four hundred two thousand, six hundred ninety-seven".