1128123504 has 80 divisors (see below), whose sum is σ = 3378950400. Its totient is φ = 359688384.

The previous prime is 1128123443. The next prime is 1128123517. The reversal of 1128123504 is 4053218211.

1128123504 is a `hidden beast` number, since 11 + 28 + 123 + 504 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46834 + ... + 66705.

It is an arithmetic number, because the mean of its divisors is an integer number (42236880).

Almost surely, 2^1128123504 is an apocalyptic number.

It is an amenable number.

1128123504 is an abundant number, since it is smaller than the sum of its proper divisors (2250826896).

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

1128123504 is a wasteful number, since it uses less digits than its factorization.

1128123504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113579 (or 113567 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1128123504 is about 33587.5498362116. The cubic root of 1128123504 is about 1041.0035628444.

The spelling of 1128123504 in words is "one billion, one hundred twenty-eight million, one hundred twenty-three thousand, five hundred four".