1232028864 has 168 divisors, whose sum is σ = 3870551568. Its totient is φ = 371589120.

The previous prime is 1232028859. The next prime is 1232028887. The reversal of 1232028864 is 4688202321.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2134944 + ... + 2135520.

Almost surely, 2^1232028864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232028864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1935275784).

1232028864 is an abundant number, since it is smaller than the sum of its proper divisors (2638522704).

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

1232028864 is a wasteful number, since it uses less digits than its factorization.

1232028864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1232028864 is about 35100.2687169201. The cubic root of 1232028864 is about 1072.0300541065.

The spelling of 1232028864 in words is "one billion, two hundred thirty-two million, twenty-eight thousand, eight hundred sixty-four".