102265643 has 2 divisors, whose sum is σ = 102265644. Its totient is φ = 102265642.

The previous prime is 102265633. The next prime is 102265649. The reversal of 102265643 is 346562201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102265643 is a prime.

It is not a weakly prime, because it can be changed into another prime (102265649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51132821 + 51132822.

It is an arithmetic number, because the mean of its divisors is an integer number (51132822).

Almost surely, 2^102265643 is an apocalyptic number.

102265643 is a deficient number, since it is larger than the sum of its proper divisors (1).

102265643 is an equidigital number, since it uses as much as digits as its factorization.

102265643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 102265643 is about 10112.6476750651. The cubic root of 102265643 is about 467.6381328022.

The spelling of 102265643 in words is "one hundred two million, two hundred sixty-five thousand, six hundred forty-three".