1173131740 has 24 divisors (see below), whose sum is σ = 2687538672. Its totient is φ = 426593280.

The previous prime is 1173131737. The next prime is 1173131777. The reversal of 1173131740 is 471313711.

It is a junction number, because it is equal to n+sod(n) for n = 1173131699 and 1173131708.

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, 2665989 + ... + 2666428.

It is an arithmetic number, because the mean of its divisors is an integer number (111980778).

Almost surely, 2^1173131740 is an apocalyptic number.

1173131740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1173131740 is an abundant number, since it is smaller than the sum of its proper divisors (1514406932).

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

1173131740 is a wasteful number, since it uses less digits than its factorization.

1173131740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5332437 (or 5332435 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 1173131740 is about 34251.0107880045. The cubic root of 1173131740 is about 1054.6675771849.

The spelling of 1173131740 in words is "one billion, one hundred seventy-three million, one hundred thirty-one thousand, seven hundred forty".