1171078132 has 24 divisors (see below), whose sum is σ = 2391992064. Its totient is φ = 491211552.

The previous prime is 1171078127. The next prime is 1171078151. The reversal of 1171078132 is 2318701711.

It is a junction number, because it is equal to n+sod(n) for n = 1171078094 and 1171078103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443623 + ... + 446254.

It is an arithmetic number, because the mean of its divisors is an integer number (99666336).

Almost surely, 2^1171078132 is an apocalyptic number.

It is an amenable number.

1171078132 is an abundant number, since it is smaller than the sum of its proper divisors (1220913932).

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

1171078132 is a wasteful number, since it uses less digits than its factorization.

1171078132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889935 (or 889933 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 31.

The square root of 1171078132 is about 34221.0188626815. The cubic root of 1171078132 is about 1054.0518069513.

Adding to 1171078132 its reverse (2318701711), we get a palindrome (3489779843).

The spelling of 1171078132 in words is "one billion, one hundred seventy-one million, seventy-eight thousand, one hundred thirty-two".