102788492 has 12 divisors (see below), whose sum is σ = 179958576. Its totient is φ = 51371760.

The previous prime is 102788489. The next prime is 102788501. The reversal of 102788492 is 294887201.

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, 8738 + ... + 16790.

It is an arithmetic number, because the mean of its divisors is an integer number (14996548).

Almost surely, 2^102788492 is an apocalyptic number.

It is an amenable number.

102788492 is a deficient number, since it is larger than the sum of its proper divisors (77170084).

102788492 is a wasteful number, since it uses less digits than its factorization.

102788492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248 (or 11246 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 102788492 is about 10138.4659589111. The cubic root of 102788492 is about 468.4337360110.

The spelling of 102788492 in words is "one hundred two million, seven hundred eighty-eight thousand, four hundred ninety-two".