1243908096 has 96 divisors (see below), whose sum is σ = 3371659200. Its totient is φ = 407715840.

The previous prime is 1243908079. The next prime is 1243908097. The reversal of 1243908096 is 6908093421.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1243908097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373125 + ... + 376443.

It is an arithmetic number, because the mean of its divisors is an integer number (35121450).

Almost surely, 2^1243908096 is an apocalyptic number.

1243908096 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 1243908096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1685829600).

1243908096 is an abundant number, since it is smaller than the sum of its proper divisors (2127751104).

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

1243908096 is an equidigital number, since it uses as much as digits as its factorization.

1243908096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1243908096 is about 35269.0813036008. The cubic root of 1243908096 is about 1075.4645465825.

The spelling of 1243908096 in words is "one billion, two hundred forty-three million, nine hundred eight thousand, ninety-six".