1217141248 has 40 divisors (see below), whose sum is σ = 2574976932. Its totient is φ = 572768256.

The previous prime is 1217141243. The next prime is 1217141269. The reversal of 1217141248 is 8421417121.

It can be written as a sum of positive squares in 2 ways, for example, as 1213268224 + 3873024 = 34832^2 + 1968^2 .

It is not an unprimeable number, because it can be changed into a prime (1217141243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61215 + ... + 78622.

Almost surely, 2^1217141248 is an apocalyptic number.

It is an amenable number.

1217141248 is an abundant number, since it is smaller than the sum of its proper divisors (1357835684).

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

1217141248 is an equidigital number, since it uses as much as digits as its factorization.

1217141248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139872 (or 139856 counting only the distinct ones).

The product of its digits is 3584, while the sum is 31.

The square root of 1217141248 is about 34887.5514761354. The cubic root of 1217141248 is about 1067.6944704362.

Adding to 1217141248 its reverse (8421417121), we get a palindrome (9638558369).

The spelling of 1217141248 in words is "one billion, two hundred seventeen million, one hundred forty-one thousand, two hundred forty-eight".