102028282 has 4 divisors (see below), whose sum is σ = 153042426. Its totient is φ = 51014140.

The previous prime is 102028279. The next prime is 102028291. The reversal of 102028282 is 282820201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 57017601 + 45010681 = 7551^2 + 6709^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25507069 + ... + 25507072.

Almost surely, 2^102028282 is an apocalyptic number.

102028282 is a deficient number, since it is larger than the sum of its proper divisors (51014144).

102028282 is an equidigital number, since it uses as much as digits as its factorization.

102028282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51014143.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 102028282 is about 10100.9050089584. The cubic root of 102028282 is about 467.2760527668.

Adding to 102028282 its reverse (282820201), we get a palindrome (384848483).

The spelling of 102028282 in words is "one hundred two million, twenty-eight thousand, two hundred eighty-two".