1217031148 has 18 divisors (see below), whose sum is σ = 2162607468. Its totient is φ = 599151960.

The previous prime is 1217031133. The next prime is 1217031163. The reversal of 1217031148 is 8411307121.

It is an interprime number because it is at equal distance from previous prime (1217031133) and next prime (1217031163).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 570043 + ... + 572173.

Almost surely, 2^1217031148 is an apocalyptic number.

It is an amenable number.

1217031148 is a deficient number, since it is larger than the sum of its proper divisors (945576320).

1217031148 is an frugal number, since it uses more digits than its factorization.

1217031148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1217031148 is about 34885.9735137204. The cubic root of 1217031148 is about 1067.6622756776.

Adding to 1217031148 its reverse (8411307121), we get a palindrome (9628338269).

The spelling of 1217031148 in words is "one billion, two hundred seventeen million, thirty-one thousand, one hundred forty-eight".