1117929609 has 24 divisors (see below), whose sum is σ = 1655674592. Its totient is φ = 726485760.

The previous prime is 1117929607. The next prime is 1117929649. The reversal of 1117929609 is 9069297111.

1117929609 is a `hidden beast` number, since 1 + 1 + 17 + 9 + 29 + 609 = 666.

It is not a de Polignac number, because 1117929609 - 2¹ = 1117929607 is a prime.

It is a super-2 number, since 2×1117929609² = 2499533221357785762, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117929607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209049 + ... + 214329.

Almost surely, 2^1117929609 is an apocalyptic number.

It is an amenable number.

1117929609 is a deficient number, since it is larger than the sum of its proper divisors (537744983).

1117929609 is a wasteful number, since it uses less digits than its factorization.

1117929609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877 (or 5874 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 45.

The square root of 1117929609 is about 33435.4543710714. The cubic root of 1117929609 is about 1037.8585153589.

The spelling of 1117929609 in words is "one billion, one hundred seventeen million, nine hundred twenty-nine thousand, six hundred nine".