102171002 has 16 divisors (see below), whose sum is σ = 159069960. Its totient is φ = 49159488.

The previous prime is 102171001. The next prime is 102171079. The reversal of 102171002 is 200171201.

It can be written as a sum of positive squares in 4 ways, for example, as 87965641 + 14205361 = 9379^2 + 3769^2 .

It is not an unprimeable number, because it can be changed into a prime (102171001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15608 + ... + 21164.

Almost surely, 2^102171002 is an apocalyptic number.

102171002 is a deficient number, since it is larger than the sum of its proper divisors (56898958).

102171002 is a wasteful number, since it uses less digits than its factorization.

102171002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5905.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 102171002 is about 10107.9672536074. The cubic root of 102171002 is about 467.4938308355.

The spelling of 102171002 in words is "one hundred two million, one hundred seventy-one thousand, two".