1117002161 has 8 divisors (see below), whose sum is σ = 1222444704. Its totient is φ = 1012209120.

The previous prime is 1117002157. The next prime is 1117002163. The reversal of 1117002161 is 1612007111.

It is a happy number.

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 1117002161 - 2² = 1117002157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117002163) 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, 158771 + ... + 165656.

It is an arithmetic number, because the mean of its divisors is an integer number (152805588).

Almost surely, 2^1117002161 is an apocalyptic number.

1117002161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1117002161 is a deficient number, since it is larger than the sum of its proper divisors (105442543).

1117002161 is a wasteful number, since it uses less digits than its factorization.

1117002161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324751.

The product of its (nonzero) digits is 84, while the sum is 20.

The square root of 1117002161 is about 33421.5822635614. The cubic root of 1117002161 is about 1037.5714292719.

Adding to 1117002161 its reverse (1612007111), we get a palindrome (2729009272).

The spelling of 1117002161 in words is "one billion, one hundred seventeen million, two thousand, one hundred sixty-one".