102273287 has 2 divisors, whose sum is σ = 102273288. Its totient is φ = 102273286.

The previous prime is 102273263. The next prime is 102273293. The reversal of 102273287 is 782372201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102273287 - 2²² = 98078983 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 (102273187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51136643 + 51136644.

It is an arithmetic number, because the mean of its divisors is an integer number (51136644).

Almost surely, 2^102273287 is an apocalyptic number.

102273287 is a deficient number, since it is larger than the sum of its proper divisors (1).

102273287 is an equidigital number, since it uses as much as digits as its factorization.

102273287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 102273287 is about 10113.0256105678. The cubic root of 102273287 is about 467.6497839515.

The spelling of 102273287 in words is "one hundred two million, two hundred seventy-three thousand, two hundred eighty-seven".