1117653729 has 8 divisors (see below), whose sum is σ = 1577864160. Its totient is φ = 701272896.

The previous prime is 1117653703. The next prime is 1117653751. The reversal of 1117653729 is 9273567111.

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

It is not a de Polignac number, because 1117653729 - 2⁷ = 1117653601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1117653769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10957339 + ... + 10957440.

It is an arithmetic number, because the mean of its divisors is an integer number (197233020).

Almost surely, 2^1117653729 is an apocalyptic number.

It is an amenable number.

1117653729 is a deficient number, since it is larger than the sum of its proper divisors (460210431).

1117653729 is a wasteful number, since it uses less digits than its factorization.

1117653729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21914799.

The product of its digits is 79380, while the sum is 42.

The square root of 1117653729 is about 33431.3285557125. The cubic root of 1117653729 is about 1037.7731349196.

The spelling of 1117653729 in words is "one billion, one hundred seventeen million, six hundred fifty-three thousand, seven hundred twenty-nine".