1118230648 has 8 divisors (see below), whose sum is σ = 2096682480. Its totient is φ = 559115320.

The previous prime is 1118230637. The next prime is 1118230661. The reversal of 1118230648 is 8460328111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69889408 + ... + 69889423.

It is an arithmetic number, because the mean of its divisors is an integer number (262085310).

Almost surely, 2^1118230648 is an apocalyptic number.

It is an amenable number.

1118230648 is a deficient number, since it is larger than the sum of its proper divisors (978451832).

1118230648 is a wasteful number, since it uses less digits than its factorization.

1118230648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139778837 (or 139778833 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1118230648 is about 33439.9558612149. The cubic root of 1118230648 is about 1037.9516660805.

Adding to 1118230648 its reverse (8460328111), we get a palindrome (9578558759).

The spelling of 1118230648 in words is "one billion, one hundred eighteen million, two hundred thirty thousand, six hundred forty-eight".