100102028 has 12 divisors (see below), whose sum is σ = 188653920. Its totient is φ = 46200912.

The previous prime is 100102027. The next prime is 100102039. The reversal of 100102028 is 820201001.

It is not an unprimeable number, because it can be changed into a prime (100102021) 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, 962468 + ... + 962571.

It is an arithmetic number, because the mean of its divisors is an integer number (15721160).

Almost surely, 2^100102028 is an apocalyptic number.

It is an amenable number.

100102028 is a deficient number, since it is larger than the sum of its proper divisors (88551892).

100102028 is a wasteful number, since it uses less digits than its factorization.

100102028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925056 (or 1925054 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 100102028 is about 10005.1000994493. The cubic root of 100102028 is about 464.3166870473.

Adding to 100102028 its reverse (820201001), we get a palindrome (920303029).

The spelling of 100102028 in words is "one hundred million, one hundred two thousand, twenty-eight".