1173963960 has 192 divisors, whose sum is σ = 4141126080. Its totient is φ = 286709760.

The previous prime is 1173963929. The next prime is 1173963961. The reversal of 1173963960 is 693693711.

1173963960 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 9 + 639 + 6 + 0 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173963961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 640245 + ... + 642075.

It is an arithmetic number, because the mean of its divisors is an integer number (21568365).

Almost surely, 2^1173963960 is an apocalyptic number.

1173963960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1173963960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2070563040).

1173963960 is an abundant number, since it is smaller than the sum of its proper divisors (2967162120).

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

1173963960 is a wasteful number, since it uses less digits than its factorization.

1173963960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 1173963960 is about 34263.1574727140. The cubic root of 1173963960 is about 1054.9169120642.

The spelling of 1173963960 in words is "one billion, one hundred seventy-three million, nine hundred sixty-three thousand, nine hundred sixty".