1117023389 has 8 divisors (see below), whose sum is σ = 1148546520. Its totient is φ = 1085887296.

The previous prime is 1117023329. The next prime is 1117023407. The reversal of 1117023389 is 9833207111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 519612025 + 597411364 = 22795^2 + 24442^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1117023389 - 2⁸ = 1117023133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117023329) 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, 90902 + ... + 102455.

It is an arithmetic number, because the mean of its divisors is an integer number (143568315).

Almost surely, 2^1117023389 is an apocalyptic number.

It is an amenable number.

1117023389 is a deficient number, since it is larger than the sum of its proper divisors (31523131).

1117023389 is a wasteful number, since it uses less digits than its factorization.

1117023389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193519.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1117023389 is about 33421.8998412717. The cubic root of 1117023389 is about 1037.5780020514.

The spelling of 1117023389 in words is "one billion, one hundred seventeen million, twenty-three thousand, three hundred eighty-nine".