1117929 has 16 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 713856.

The previous prime is 1117913. The next prime is 1117931. The reversal of 1117929 is 9297111.

It is not a de Polignac number, because 1117929 - 2⁴ = 1117913 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1117896 and 1117905.

It is not an unprimeable number, because it can be changed into a prime (1117939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12517 + ... + 12605.

It is an arithmetic number, because the mean of its divisors is an integer number (97200).

2^1117929 is an apocalyptic number.

It is an amenable number.

1117929 is a deficient number, since it is larger than the sum of its proper divisors (437271).

1117929 is an equidigital number, since it uses as much as digits as its factorization.

1117929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its digits is 1134, while the sum is 30.

The square root of 1117929 is about 1057.3216161604. The cubic root of 1117929 is about 103.7858326899.

The spelling of 1117929 in words is "one million, one hundred seventeen thousand, nine hundred twenty-nine".