1128319125 has 32 divisors (see below), whose sum is σ = 1894209408. Its totient is φ = 596422400.

The previous prime is 1128319111. The next prime is 1128319141. The reversal of 1128319125 is 5219138211.

It is not a de Polignac number, because 1128319125 - 2¹⁴ = 1128302741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29062 + ... + 55688.

It is an arithmetic number, because the mean of its divisors is an integer number (59194044).

Almost surely, 2^1128319125 is an apocalyptic number.

1128319125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1128319125 is a deficient number, since it is larger than the sum of its proper divisors (765890283).

1128319125 is a wasteful number, since it uses less digits than its factorization.

1128319125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26758 (or 26748 counting only the distinct ones).

The product of its digits is 4320, while the sum is 33.

The square root of 1128319125 is about 33590.4618158191. The cubic root of 1128319125 is about 1041.0637307213.

The spelling of 1128319125 in words is "one billion, one hundred twenty-eight million, three hundred nineteen thousand, one hundred twenty-five".