1117193920 has 112 divisors (see below), whose sum is σ = 2813608800. Its totient is φ = 422525952.

The previous prime is 1117193867. The next prime is 1117193933. The reversal of 1117193920 is 293917111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2194626 + ... + 2195134.

Almost surely, 2^1117193920 is an apocalyptic number.

1117193920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117193920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406804400).

1117193920 is an abundant number, since it is smaller than the sum of its proper divisors (1696414880).

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

1117193920 is an frugal number, since it uses more digits than its factorization.

1117193920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 1117193920 is about 33424.4509304192. The cubic root of 1117193920 is about 1037.6308001733.

The spelling of 1117193920 in words is "one billion, one hundred seventeen million, one hundred ninety-three thousand, nine hundred twenty".