1169125728 has 48 divisors (see below), whose sum is σ = 3126873456. Its totient is φ = 382353920.

The previous prime is 1169125709. The next prime is 1169125757. The reversal of 1169125728 is 8275219611.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1169125728.

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, 109803 + ... + 119978.

It is an arithmetic number, because the mean of its divisors is an integer number (65143197).

Almost surely, 2^1169125728 is an apocalyptic number.

It is an amenable number.

1169125728 is an abundant number, since it is smaller than the sum of its proper divisors (1957747728).

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

1169125728 is a wasteful number, since it uses less digits than its factorization.

1169125728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229847 (or 229839 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The square root of 1169125728 is about 34192.4805768754. The cubic root of 1169125728 is about 1053.4657146371.

The spelling of 1169125728 in words is "one billion, one hundred sixty-nine million, one hundred twenty-five thousand, seven hundred twenty-eight".