102159634 has 12 divisors (see below), whose sum is σ = 158708394. Its totient is φ = 49317632.

The previous prime is 102159619. The next prime is 102159643. The reversal of 102159634 is 436951201.

It can be written as a sum of positive squares in 3 ways, for example, as 95004009 + 7155625 = 9747^2 + 2675^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102159596 and 102159605.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28687 + ... + 32050.

Almost surely, 2^102159634 is an apocalyptic number.

102159634 is a deficient number, since it is larger than the sum of its proper divisors (56548760).

102159634 is an equidigital number, since it uses as much as digits as its factorization.

102159634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60797 (or 60768 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 102159634 is about 10107.4049092732. The cubic root of 102159634 is about 467.4764917116.

The spelling of 102159634 in words is "one hundred two million, one hundred fifty-nine thousand, six hundred thirty-four".