102270247 has 2 divisors, whose sum is σ = 102270248. Its totient is φ = 102270246.

The previous prime is 102270241. The next prime is 102270263. The reversal of 102270247 is 742072201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102270247 - 2¹⁵ = 102237479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102270241) 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, 51135123 + 51135124.

It is an arithmetic number, because the mean of its divisors is an integer number (51135124).

Almost surely, 2^102270247 is an apocalyptic number.

102270247 is a deficient number, since it is larger than the sum of its proper divisors (1).

102270247 is an equidigital number, since it uses as much as digits as its factorization.

102270247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 102270247 is about 10112.8753082395. The cubic root of 102270247 is about 467.6451503876.

The spelling of 102270247 in words is "one hundred two million, two hundred seventy thousand, two hundred forty-seven".