1231248576 has 84 divisors (see below), whose sum is σ = 3366659256. Its totient is φ = 397117440.

The previous prime is 1231248553. The next prime is 1231248589. The reversal of 1231248576 is 6758421321.

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 11 ways as a sum of consecutive naturals, for example, 181176 + ... + 187848.

Almost surely, 2^1231248576 is an apocalyptic number.

1231248576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1231248576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683329628).

1231248576 is an abundant number, since it is smaller than the sum of its proper divisors (2135410680).

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

1231248576 is an equidigital number, since it uses as much as digits as its factorization.

1231248576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6750 (or 6709 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 1231248576 is about 35089.1518278798. The cubic root of 1231248576 is about 1071.8036879699.

Adding to 1231248576 its reverse (6758421321), we get a palindrome (7989669897).

The spelling of 1231248576 in words is "one billion, two hundred thirty-one million, two hundred forty-eight thousand, five hundred seventy-six".