1232278768 has 90 divisors (see below), whose sum is σ = 2846073048. Its totient is φ = 506306880.

The previous prime is 1232278757. The next prime is 1232278777. The reversal of 1232278768 is 8678722321.

Its product of digits (451584) is a multiple of the sum of its prime divisors (147).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11516571 + ... + 11516677.

Almost surely, 2^1232278768 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 1232278768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423036524).

1232278768 is an abundant number, since it is smaller than the sum of its proper divisors (1613794280).

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

1232278768 is an equidigital number, since it uses as much as digits as its factorization.

1232278768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 147 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 1232278768 is about 35103.8283952050. The cubic root of 1232278768 is about 1072.1025325185.

The spelling of 1232278768 in words is "one billion, two hundred thirty-two million, two hundred seventy-eight thousand, seven hundred sixty-eight".