1173801144 has 16 divisors (see below), whose sum is σ = 2934502920. Its totient is φ = 391267040.

The previous prime is 1173801127. The next prime is 1173801157. The reversal of 1173801144 is 4411083711.

1173801144 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 24454167 + ... + 24454214.

Almost surely, 2^1173801144 is an apocalyptic number.

It is an amenable number.

1173801144 is an abundant number, since it is smaller than the sum of its proper divisors (1760701776).

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

1173801144 is a wasteful number, since it uses less digits than its factorization.

1173801144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48908390 (or 48908386 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 1173801144 is about 34260.7814271654. The cubic root of 1173801144 is about 1054.8681413186.

Adding to 1173801144 its reverse (4411083711), we get a palindrome (5584884855).

The spelling of 1173801144 in words is "one billion, one hundred seventy-three million, eight hundred one thousand, one hundred forty-four".