102541279 has 2 divisors, whose sum is σ = 102541280. Its totient is φ = 102541278.

The previous prime is 102541247. The next prime is 102541321. The reversal of 102541279 is 972145201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102541279 - 2⁵ = 102541247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102541279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102341279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51270639 + 51270640.

It is an arithmetic number, because the mean of its divisors is an integer number (51270640).

Almost surely, 2^102541279 is an apocalyptic number.

102541279 is a deficient number, since it is larger than the sum of its proper divisors (1).

102541279 is an equidigital number, since it uses as much as digits as its factorization.

102541279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 102541279 is about 10126.2667849509. The cubic root of 102541279 is about 468.0578966895.

The spelling of 102541279 in words is "one hundred two million, five hundred forty-one thousand, two hundred seventy-nine".