1113721933 has 4 divisors (see below), whose sum is σ = 1119000448. Its totient is φ = 1108443420.

The previous prime is 1113721919. The next prime is 1113721951. The reversal of 1113721933 is 3391273111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113721933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113721895 and 1113721904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113721963) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2638941 + ... + 2639362.

It is an arithmetic number, because the mean of its divisors is an integer number (279750112).

Almost surely, 2^1113721933 is an apocalyptic number.

It is an amenable number.

1113721933 is a deficient number, since it is larger than the sum of its proper divisors (5278515).

1113721933 is an equidigital number, since it uses as much as digits as its factorization.

1113721933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278514.

The product of its digits is 3402, while the sum is 31.

The square root of 1113721933 is about 33372.4726833359. The cubic root of 1113721933 is about 1036.5547771401.

The spelling of 1113721933 in words is "one billion, one hundred thirteen million, seven hundred twenty-one thousand, nine hundred thirty-three".