1177048728 has 24 divisors (see below), whose sum is σ = 3187840500. Its totient is φ = 392349552.

The previous prime is 1177048681. The next prime is 1177048739. The reversal of 1177048728 is 8278407711.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8173878 + ... + 8174021.

Almost surely, 2^1177048728 is an apocalyptic number.

1177048728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1177048728 is an abundant number, since it is smaller than the sum of its proper divisors (2010791772).

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

1177048728 is a wasteful number, since it uses less digits than its factorization.

1177048728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16347911 (or 16347904 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 45.

The square root of 1177048728 is about 34308.1437562571. The cubic root of 1177048728 is about 1055.8400885611.

The spelling of 1177048728 in words is "one billion, one hundred seventy-seven million, forty-eight thousand, seven hundred twenty-eight".