102180104 has 24 divisors (see below), whose sum is σ = 207461610. Its totient is φ = 47159424.

The previous prime is 102180103. The next prime is 102180107. The reversal of 102180104 is 401081201.

It can be written as a sum of positive squares in 3 ways, for example, as 36602500 + 65577604 = 6050^2 + 8098^2 .

It is not an unprimeable number, because it can be changed into a prime (102180103) 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, 36437 + ... + 39140.

Almost surely, 2^102180104 is an apocalyptic number.

It is an amenable number.

102180104 is an abundant number, since it is smaller than the sum of its proper divisors (105281506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102180104 is a wasteful number, since it uses less digits than its factorization.

102180104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75609 (or 75592 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 102180104 is about 10108.4174824747. The cubic root of 102180104 is about 467.5077127994.

The spelling of 102180104 in words is "one hundred two million, one hundred eighty thousand, one hundred four".