1173028896 has 144 divisors (see below), whose sum is σ = 3622155264. Its totient is φ = 357944832.

The previous prime is 1173028891. The next prime is 1173028921. The reversal of 1173028896 is 6988203711.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (1173028891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474255 + ... + 476721.

It is an arithmetic number, because the mean of its divisors is an integer number (25153856).

Almost surely, 2^1173028896 is an apocalyptic number.

1173028896 is a gapful number since it is divisible by the number (16) 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 1173028896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811077632).

1173028896 is an abundant number, since it is smaller than the sum of its proper divisors (2449126368).

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

1173028896 is a wasteful number, since it uses less digits than its factorization.

1173028896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623 (or 2612 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1173028896 is about 34249.5094271436. The cubic root of 1173028896 is about 1054.6367567185.

The spelling of 1173028896 in words is "one billion, one hundred seventy-three million, twenty-eight thousand, eight hundred ninety-six".