102302279 has 2 divisors, whose sum is σ = 102302280. Its totient is φ = 102302278.

The previous prime is 102302269. The next prime is 102302323. The reversal of 102302279 is 972203201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102302279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102302219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51151139 + 51151140.

It is an arithmetic number, because the mean of its divisors is an integer number (51151140).

Almost surely, 2^102302279 is an apocalyptic number.

102302279 is a deficient number, since it is larger than the sum of its proper divisors (1).

102302279 is an equidigital number, since it uses as much as digits as its factorization.

102302279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 102302279 is about 10114.4589079199. The cubic root of 102302279 is about 467.6939689060.

The spelling of 102302279 in words is "one hundred two million, three hundred two thousand, two hundred seventy-nine".