1155368928 has 48 divisors (see below), whose sum is σ = 3466108800. Its totient is φ = 330105216.

The previous prime is 1155368927. The next prime is 1155368941. The reversal of 1155368928 is 8298635511.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155368923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858978 + ... + 860321.

It is an arithmetic number, because the mean of its divisors is an integer number (72210600).

Almost surely, 2^1155368928 is an apocalyptic number.

It is an amenable number.

1155368928 is an abundant number, since it is smaller than the sum of its proper divisors (2310739872).

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

1155368928 is a wasteful number, since it uses less digits than its factorization.

1155368928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719319 (or 1719311 counting only the distinct ones).

The product of its digits is 518400, while the sum is 48.

The square root of 1155368928 is about 33990.7182624904. The cubic root of 1155368928 is about 1049.3174484676.

The spelling of 1155368928 in words is "one billion, one hundred fifty-five million, three hundred sixty-eight thousand, nine hundred twenty-eight".