102802130 has 8 divisors (see below), whose sum is σ = 185043852. Its totient is φ = 41120848.

The previous prime is 102802123. The next prime is 102802201. The reversal of 102802130 is 31208201.

It can be written as a sum of positive squares in 2 ways, for example, as 102799321 + 2809 = 10139^2 + 53^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102802099 and 102802108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5140097 + ... + 5140116.

Almost surely, 2^102802130 is an apocalyptic number.

102802130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102802130 is a deficient number, since it is larger than the sum of its proper divisors (82241722).

102802130 is a wasteful number, since it uses less digits than its factorization.

102802130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10280220.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 102802130 is about 10139.1385235630. The cubic root of 102802130 is about 468.4544523922.

The spelling of 102802130 in words is "one hundred two million, eight hundred two thousand, one hundred thirty".