1218895352 has 16 divisors (see below), whose sum is σ = 2286452400. Its totient is φ = 609174720.

The previous prime is 1218895343. The next prime is 1218895357. The reversal of 1218895352 is 2535988121.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1218895357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14477 + ... + 51452.

It is an arithmetic number, because the mean of its divisors is an integer number (142903275).

Almost surely, 2^1218895352 is an apocalyptic number.

It is an amenable number.

1218895352 is a deficient number, since it is larger than the sum of its proper divisors (1067557048).

1218895352 is a wasteful number, since it uses less digits than its factorization.

1218895352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68246 (or 68242 counting only the distinct ones).

The product of its digits is 172800, while the sum is 44.

The square root of 1218895352 is about 34912.6818219397. The cubic root of 1218895352 is about 1068.2071329747.

The spelling of 1218895352 in words is "one billion, two hundred eighteen million, eight hundred ninety-five thousand, three hundred fifty-two".