1112317921 has 8 divisors (see below), whose sum is σ = 1306779264. Its totient is φ = 933413520.

The previous prime is 1112317903. The next prime is 1112317963. The reversal of 1112317921 is 1297132111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1112317921 - 2²⁹ = 575447009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112317921.

It is not an unprimeable number, because it can be changed into a prime (1112317901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3889081 + ... + 3889366.

It is an arithmetic number, because the mean of its divisors is an integer number (163347408).

Almost surely, 2^1112317921 is an apocalyptic number.

1112317921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112317921 is a deficient number, since it is larger than the sum of its proper divisors (194461343).

1112317921 is a wasteful number, since it uses less digits than its factorization.

1112317921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778471.

The product of its digits is 756, while the sum is 28.

The square root of 1112317921 is about 33351.4305690176. The cubic root of 1112317921 is about 1036.1190168644.

The spelling of 1112317921 in words is "one billion, one hundred twelve million, three hundred seventeen thousand, nine hundred twenty-one".