102273889 has 2 divisors, whose sum is σ = 102273890. Its totient is φ = 102273888.

The previous prime is 102273877. The next prime is 102273901. The reversal of 102273889 is 988372201.

It is a balanced prime because it is at equal distance from previous prime (102273877) and next prime (102273901).

It can be written as a sum of positive squares in only one way, i.e., 101606400 + 667489 = 10080^2 + 817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102273889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102273839) 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, 51136944 + 51136945.

It is an arithmetic number, because the mean of its divisors is an integer number (51136945).

Almost surely, 2^102273889 is an apocalyptic number.

It is an amenable number.

102273889 is a deficient number, since it is larger than the sum of its proper divisors (1).

102273889 is an equidigital number, since it uses as much as digits as its factorization.

102273889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 102273889 is about 10113.0553741191. The cubic root of 102273889 is about 467.6507015082.

The spelling of 102273889 in words is "one hundred two million, two hundred seventy-three thousand, eight hundred eighty-nine".