1173960540 has 120 divisors (see below), whose sum is σ = 3729781440. Its totient is φ = 309059712.

The previous prime is 1173960539. The next prime is 1173960559. The reversal of 1173960540 is 450693711.

1173960540 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 9 + 605 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1173960495 and 1173960504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 123394 + ... + 132566.

It is an arithmetic number, because the mean of its divisors is an integer number (31081512).

Almost surely, 2^1173960540 is an apocalyptic number.

1173960540 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 1173960540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1864890720).

1173960540 is an abundant number, since it is smaller than the sum of its proper divisors (2555820900).

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

1173960540 is a wasteful number, since it uses less digits than its factorization.

1173960540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9273 (or 9262 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1173960540 is about 34263.1075648430. The cubic root of 1173960540 is about 1054.9158876661.

The spelling of 1173960540 in words is "one billion, one hundred seventy-three million, nine hundred sixty thousand, five hundred forty".