1217875084 has 12 divisors (see below), whose sum is σ = 2139147808. Its totient is φ = 606690000.

The previous prime is 1217875033. The next prime is 1217875151. The reversal of 1217875084 is 4805787121.

It is a self number, because there is not a number n which added to its sum of digits gives 1217875084.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560667 + ... + 562834.

Almost surely, 2^1217875084 is an apocalyptic number.

It is an amenable number.

1217875084 is a deficient number, since it is larger than the sum of its proper divisors (921272724).

1217875084 is a wasteful number, since it uses less digits than its factorization.

1217875084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123776 (or 1123774 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 43.

The square root of 1217875084 is about 34898.0670524887. The cubic root of 1217875084 is about 1067.9090046241.

The spelling of 1217875084 in words is "one billion, two hundred seventeen million, eight hundred seventy-five thousand, eighty-four".