1173123132 has 12 divisors (see below), whose sum is σ = 2737287336. Its totient is φ = 391041040.

The previous prime is 1173123103. The next prime is 1173123157. The reversal of 1173123132 is 2313213711.

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, 48880119 + ... + 48880142.

It is an arithmetic number, because the mean of its divisors is an integer number (228107278).

Almost surely, 2^1173123132 is an apocalyptic number.

1173123132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1173123132 is an abundant number, since it is smaller than the sum of its proper divisors (1564164204).

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

1173123132 is a wasteful number, since it uses less digits than its factorization.

1173123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97760268 (or 97760266 counting only the distinct ones).

The product of its digits is 756, while the sum is 24.

The square root of 1173123132 is about 34250.8851272489. The cubic root of 1173123132 is about 1054.6649975938.

Adding to 1173123132 its reverse (2313213711), we get a palindrome (3486336843).

The spelling of 1173123132 in words is "one billion, one hundred seventy-three million, one hundred twenty-three thousand, one hundred thirty-two".