102087943 has 2 divisors, whose sum is σ = 102087944. Its totient is φ = 102087942.

The previous prime is 102087899. The next prime is 102088001. The reversal of 102087943 is 349780201.

It is a weak prime.

It is an emirp because it is prime and its reverse (349780201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102087943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102087899 and 102087908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102087043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51043971 + 51043972.

It is an arithmetic number, because the mean of its divisors is an integer number (51043972).

Almost surely, 2^102087943 is an apocalyptic number.

102087943 is a deficient number, since it is larger than the sum of its proper divisors (1).

102087943 is an equidigital number, since it uses as much as digits as its factorization.

102087943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 102087943 is about 10103.8578275825. The cubic root of 102087943 is about 467.3671148524.

The spelling of 102087943 in words is "one hundred two million, eighty-seven thousand, nine hundred forty-three".