102782230 has 8 divisors (see below), whose sum is σ = 185008032. Its totient is φ = 41112888.

The previous prime is 102782209. The next prime is 102782231. The reversal of 102782230 is 32287201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102782195 and 102782204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102782231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5139102 + ... + 5139121.

It is an arithmetic number, because the mean of its divisors is an integer number (23126004).

Almost surely, 2^102782230 is an apocalyptic number.

102782230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102782230 is a deficient number, since it is larger than the sum of its proper divisors (82225802).

102782230 is a wasteful number, since it uses less digits than its factorization.

102782230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10278230.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 102782230 is about 10138.1571303664. The cubic root of 102782230 is about 468.4242233001.

The spelling of 102782230 in words is "one hundred two million, seven hundred eighty-two thousand, two hundred thirty".