102788072 has 16 divisors (see below), whose sum is σ = 197937060. Its totient is φ = 50004864.

The previous prime is 102788053. The next prime is 102788083. The reversal of 102788072 is 270887201.

It can be written as a sum of positive squares in 2 ways, for example, as 100922116 + 1865956 = 10046^2 + 1366^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173333 + ... + 173924.

Almost surely, 2^102788072 is an apocalyptic number.

It is an amenable number.

102788072 is a deficient number, since it is larger than the sum of its proper divisors (95148988).

102788072 is a wasteful number, since it uses less digits than its factorization.

102788072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347300 (or 347296 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 102788072 is about 10138.4452456972. The cubic root of 102788072 is about 468.4330979939.

The spelling of 102788072 in words is "one hundred two million, seven hundred eighty-eight thousand, seventy-two".