1218495928 has 16 divisors (see below), whose sum is σ = 2460424680. Its totient is φ = 562382688.

The previous prime is 1218495919. The next prime is 1218495937. The reversal of 1218495928 is 8295948121.

It is an interprime number because it is at equal distance from previous prime (1218495919) and next prime (1218495937).

It is a congruent number.

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, 5858050 + ... + 5858257.

Almost surely, 2^1218495928 is an apocalyptic number.

It is an amenable number.

1218495928 is an abundant number, since it is smaller than the sum of its proper divisors (1241928752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1218495928 is a wasteful number, since it uses less digits than its factorization.

1218495928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11716326 (or 11716322 counting only the distinct ones).

The product of its digits is 414720, while the sum is 49.

The square root of 1218495928 is about 34906.9610249876. The cubic root of 1218495928 is about 1068.0904387403.

The spelling of 1218495928 in words is "one billion, two hundred eighteen million, four hundred ninety-five thousand, nine hundred twenty-eight".