1218705348 has 48 divisors (see below), whose sum is σ = 3251776640. Its totient is φ = 347998464.

The previous prime is 1218705343. The next prime is 1218705349. The reversal of 1218705348 is 8435078121.

It is a super-2 number, since 2×1218705348² = 2970485450487602208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1218705343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197640 + ... + 203712.

Almost surely, 2^1218705348 is an apocalyptic number.

It is an amenable number.

1218705348 is an abundant number, since it is smaller than the sum of its proper divisors (2033071292).

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

1218705348 is a wasteful number, since it uses less digits than its factorization.

1218705348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8476 (or 8474 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1218705348 is about 34909.9605843375. The cubic root of 1218705348 is about 1068.1516252904.

The spelling of 1218705348 in words is "one billion, two hundred eighteen million, seven hundred five thousand, three hundred forty-eight".