1020108788 has 18 divisors (see below), whose sum is σ = 1866185874. Its totient is φ = 487877104.

The previous prime is 1020108779. The next prime is 1020108809. The reversal of 1020108788 is 8878010201.

It can be written as a sum of positive squares in only one way, i.e., 874858084 + 145250704 = 29578^2 + 12052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 238931 + ... + 243162.

It is an arithmetic number, because the mean of its divisors is an integer number (103676993).

Almost surely, 2^1020108788 is an apocalyptic number.

It is an amenable number.

1020108788 is a deficient number, since it is larger than the sum of its proper divisors (846077086).

1020108788 is a wasteful number, since it uses less digits than its factorization.

1020108788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482143 (or 482118 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 35.

The square root of 1020108788 is about 31939.1419421374. The cubic root of 1020108788 is about 1006.6584953700.

Adding to 1020108788 its reverse (8878010201), we get a palindrome (9898118989).

The spelling of 1020108788 in words is "one billion, twenty million, one hundred eight thousand, seven hundred eighty-eight".