1171177116 has 12 divisors (see below), whose sum is σ = 2732746632. Its totient is φ = 390392368.

The previous prime is 1171177103. The next prime is 1171177121. The reversal of 1171177116 is 6117711711.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48799035 + ... + 48799058.

It is an arithmetic number, because the mean of its divisors is an integer number (227728886).

Almost surely, 2^1171177116 is an apocalyptic number.

It is an amenable number.

1171177116 is an abundant number, since it is smaller than the sum of its proper divisors (1561569516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1171177116 is a wasteful number, since it uses less digits than its factorization.

1171177116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97598100 (or 97598098 counting only the distinct ones).

The product of its digits is 2058, while the sum is 33.

The square root of 1171177116 is about 34222.4650777819. The cubic root of 1171177116 is about 1054.0815036105.

Adding to 1171177116 its reverse (6117711711), we get a palindrome (7288888827).

The spelling of 1171177116 in words is "one billion, one hundred seventy-one million, one hundred seventy-seven thousand, one hundred sixteen".