102942863 has 2 divisors, whose sum is σ = 102942864. Its totient is φ = 102942862.

The previous prime is 102942811. The next prime is 102942877. The reversal of 102942863 is 368249201.

It is a strong prime.

It is an emirp because it is prime and its reverse (368249201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102942863 - 2⁸ = 102942607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102941863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51471431 + 51471432.

It is an arithmetic number, because the mean of its divisors is an integer number (51471432).

Almost surely, 2^102942863 is an apocalyptic number.

102942863 is a deficient number, since it is larger than the sum of its proper divisors (1).

102942863 is an equidigital number, since it uses as much as digits as its factorization.

102942863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 102942863 is about 10146.0762366542. The cubic root of 102942863 is about 468.6681215684.

The spelling of 102942863 in words is "one hundred two million, nine hundred forty-two thousand, eight hundred sixty-three".