102028072 has 16 divisors (see below), whose sum is σ = 191410560. Its totient is φ = 50985264.

The previous prime is 102028019. The next prime is 102028109. The reversal of 102028072 is 270820201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23323 + ... + 27349.

It is an arithmetic number, because the mean of its divisors is an integer number (11963160).

Almost surely, 2^102028072 is an apocalyptic number.

It is an amenable number.

102028072 is a deficient number, since it is larger than the sum of its proper divisors (89382488).

102028072 is a wasteful number, since it uses less digits than its factorization.

102028072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7200 (or 7196 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 102028072 is about 10100.8946138449. The cubic root of 102028072 is about 467.2757321758.

Adding to 102028072 its reverse (270820201), we get a palindrome (372848273).

It can be divided in two parts, 1020 and 28072, that added together give a palindrome (29092).

The spelling of 102028072 in words is "one hundred two million, twenty-eight thousand, seventy-two".