1217433952 has 48 divisors (see below), whose sum is σ = 2780144640. Its totient is φ = 513963648.

The previous prime is 1217433883. The next prime is 1217433967. The reversal of 1217433952 is 2593347121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25552 + ... + 55567.

It is an arithmetic number, because the mean of its divisors is an integer number (57919680).

Almost surely, 2^1217433952 is an apocalyptic number.

It is an amenable number.

1217433952 is an abundant number, since it is smaller than the sum of its proper divisors (1562710688).

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

1217433952 is an equidigital number, since it uses as much as digits as its factorization.

1217433952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81203 (or 81195 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 1217433952 is about 34891.7461873148. The cubic root of 1217433952 is about 1067.7800516822.

The spelling of 1217433952 in words is "one billion, two hundred seventeen million, four hundred thirty-three thousand, nine hundred fifty-two".