102942943 has 2 divisors, whose sum is σ = 102942944. Its totient is φ = 102942942.

The previous prime is 102942901. The next prime is 102942947. The reversal of 102942943 is 349249201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102942943 - 2¹⁷ = 102811871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102942899 and 102942908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102942947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51471471 + 51471472.

It is an arithmetic number, because the mean of its divisors is an integer number (51471472).

Almost surely, 2^102942943 is an apocalyptic number.

102942943 is a deficient number, since it is larger than the sum of its proper divisors (1).

102942943 is an equidigital number, since it uses as much as digits as its factorization.

102942943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 102942943 is about 10146.0801790642. The cubic root of 102942943 is about 468.6682429738.

The spelling of 102942943 in words is "one hundred two million, nine hundred forty-two thousand, nine hundred forty-three".