1218410315 has 16 divisors (see below), whose sum is σ = 1550054880. Its totient is φ = 916231680.

The previous prime is 1218410293. The next prime is 1218410341. The reversal of 1218410315 is 5130148121.

It is not a de Polignac number, because 1218410315 - 2¹⁶ = 1218344779 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61820 + ... + 79110.

It is an arithmetic number, because the mean of its divisors is an integer number (96878430).

Almost surely, 2^1218410315 is an apocalyptic number.

1218410315 is a deficient number, since it is larger than the sum of its proper divisors (331644565).

1218410315 is a wasteful number, since it uses less digits than its factorization.

1218410315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18142.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1218410315 is about 34905.7347007623. The cubic root of 1218410315 is about 1068.0654230451.

Adding to 1218410315 its reverse (5130148121), we get a palindrome (6348558436).

The spelling of 1218410315 in words is "one billion, two hundred eighteen million, four hundred ten thousand, three hundred fifteen".