102456241 has 2 divisors, whose sum is σ = 102456242. Its totient is φ = 102456240.

The previous prime is 102456239. The next prime is 102456247. The reversal of 102456241 is 142654201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78836641 + 23619600 = 8879^2 + 4860^2 .

It is a cyclic number.

It is not a de Polignac number, because 102456241 - 2¹ = 102456239 is a prime.

Together with 102456239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102456247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51228120 + 51228121.

It is an arithmetic number, because the mean of its divisors is an integer number (51228121).

Almost surely, 2^102456241 is an apocalyptic number.

It is an amenable number.

102456241 is a deficient number, since it is larger than the sum of its proper divisors (1).

102456241 is an equidigital number, since it uses as much as digits as its factorization.

102456241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 102456241 is about 10122.0670319851. The cubic root of 102456241 is about 467.9284733140.

The spelling of 102456241 in words is "one hundred two million, four hundred fifty-six thousand, two hundred forty-one".