102478297 has 2 divisors, whose sum is σ = 102478298. Its totient is φ = 102478296.

The previous prime is 102478291. The next prime is 102478301. The reversal of 102478297 is 792874201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101929216 + 549081 = 10096^2 + 741^2 .

It is a cyclic number.

It is not a de Polignac number, because 102478297 - 2⁷ = 102478169 is a prime.

It is not a weakly prime, because it can be changed into another prime (102478291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51239148 + 51239149.

It is an arithmetic number, because the mean of its divisors is an integer number (51239149).

Almost surely, 2^102478297 is an apocalyptic number.

It is an amenable number.

102478297 is a deficient number, since it is larger than the sum of its proper divisors (1).

102478297 is an equidigital number, since it uses as much as digits as its factorization.

102478297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 102478297 is about 10123.1564741438. The cubic root of 102478297 is about 467.9620482654.

The spelling of 102478297 in words is "one hundred two million, four hundred seventy-eight thousand, two hundred ninety-seven".