1128433239 has 12 divisors (see below), whose sum is σ = 1686165000. Its totient is φ = 726347664.

The previous prime is 1128433183. The next prime is 1128433249. The reversal of 1128433239 is 9323348211.

1128433239 is a `hidden beast` number, since 11 + 284 + 332 + 39 = 666.

It is not a de Polignac number, because 1128433239 - 2⁸ = 1128432983 is a prime.

It is a super-2 number, since 2×1128433239² = 2546723149760062242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128433249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2161489 + ... + 2162010.

It is an arithmetic number, because the mean of its divisors is an integer number (140513750).

Almost surely, 2^1128433239 is an apocalyptic number.

1128433239 is a deficient number, since it is larger than the sum of its proper divisors (557731761).

1128433239 is a wasteful number, since it uses less digits than its factorization.

1128433239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323534 (or 4323531 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1128433239 is about 33592.1603800649. The cubic root of 1128433239 is about 1041.0988259762.

The spelling of 1128433239 in words is "one billion, one hundred twenty-eight million, four hundred thirty-three thousand, two hundred thirty-nine".