1231828068 has 24 divisors (see below), whose sum is σ = 2879263072. Its totient is φ = 409895424.

The previous prime is 1231828063. The next prime is 1231828069. The reversal of 1231828068 is 8608281321.

It is a super-2 number, since 2×1231828068² = 3034800778225225248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231828063) 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 7 ways as a sum of consecutive naturals, for example, 82030 + ... + 95877.

Almost surely, 2^1231828068 is an apocalyptic number.

It is an amenable number.

1231828068 is an abundant number, since it is smaller than the sum of its proper divisors (1647435004).

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

1231828068 is a wasteful number, since it uses less digits than its factorization.

1231828068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178491 (or 178489 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 1231828068 is about 35097.4082803845. The cubic root of 1231828068 is about 1071.9718111415.

The spelling of 1231828068 in words is "one billion, two hundred thirty-one million, eight hundred twenty-eight thousand, sixty-eight".