1243468896 has 108 divisors (see below), whose sum is σ = 3375691956. Its totient is φ = 400784640.

The previous prime is 1243468871. The next prime is 1243468901. The reversal of 1243468896 is 6988643421.

It is a congruent number.

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 17 ways as a sum of consecutive naturals, for example, 20384706 + ... + 20384766.

It is an arithmetic number, because the mean of its divisors is an integer number (31256407).

Almost surely, 2^1243468896 is an apocalyptic number.

1243468896 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 1243468896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1687845978).

1243468896 is an abundant number, since it is smaller than the sum of its proper divisors (2132223060).

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

1243468896 is an frugal number, since it uses more digits than its factorization.

1243468896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 125 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 1243468896 is about 35262.8543371066. The cubic root of 1243468896 is about 1075.3379564073.

The spelling of 1243468896 in words is "one billion, two hundred forty-three million, four hundred sixty-eight thousand, eight hundred ninety-six".