102803285 has 32 divisors (see below), whose sum is σ = 138421248. Its totient is φ = 72783360.

The previous prime is 102803273. The next prime is 102803297. The reversal of 102803285 is 582308201.

It is an interprime number because it is at equal distance from previous prime (102803273) and next prime (102803297).

It is not a de Polignac number, because 102803285 - 2⁴ = 102803269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328289 + ... + 328601.

It is an arithmetic number, because the mean of its divisors is an integer number (4325664).

Almost surely, 2^102803285 is an apocalyptic number.

It is an amenable number.

102803285 is a deficient number, since it is larger than the sum of its proper divisors (35617963).

102803285 is a wasteful number, since it uses less digits than its factorization.

102803285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 102803285 is about 10139.1954809048. The cubic root of 102803285 is about 468.4562067750.

The spelling of 102803285 in words is "one hundred two million, eight hundred three thousand, two hundred eighty-five".