1177149228 has 24 divisors (see below), whose sum is σ = 2820917232. Its totient is φ = 381777984.

The previous prime is 1177149221. The next prime is 1177149229. The reversal of 1177149228 is 8229417711.

1177149228 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1177149228.

It is not an unprimeable number, because it can be changed into a prime (1177149221) 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, 1325175 + ... + 1326062.

It is an arithmetic number, because the mean of its divisors is an integer number (117538218).

Almost surely, 2^1177149228 is an apocalyptic number.

It is an amenable number.

1177149228 is an abundant number, since it is smaller than the sum of its proper divisors (1643768004).

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

1177149228 is a wasteful number, since it uses less digits than its factorization.

1177149228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651281 (or 2651279 counting only the distinct ones).

The product of its digits is 56448, while the sum is 42.

The square root of 1177149228 is about 34309.6083918193. The cubic root of 1177149228 is about 1055.8701379851.

The spelling of 1177149228 in words is "one billion, one hundred seventy-seven million, one hundred forty-nine thousand, two hundred twenty-eight".