102566043 has 6 divisors (see below), whose sum is σ = 148150964. Its totient is φ = 68377356.

The previous prime is 102566041. The next prime is 102566063. The reversal of 102566043 is 340665201.

102566043 is a `hidden beast` number, since 1 + 0 + 2 + 56 + 604 + 3 = 666.

It is not a de Polignac number, because 102566043 - 2¹ = 102566041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102565998 and 102566016.

It is not an unprimeable number, because it can be changed into a prime (102566041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5698105 + ... + 5698122.

Almost surely, 2^102566043 is an apocalyptic number.

102566043 is a deficient number, since it is larger than the sum of its proper divisors (45584921).

102566043 is a wasteful number, since it uses less digits than its factorization.

102566043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396233 (or 11396230 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 102566043 is about 10127.4894717299. The cubic root of 102566043 is about 468.0955727451.

The spelling of 102566043 in words is "one hundred two million, five hundred sixty-six thousand, forty-three".