1248912000 has 768 divisors, whose sum is σ = 5441904000. Its totient is φ = 280627200.

The previous prime is 1248911927. The next prime is 1248912001. The reversal of 1248912000 is 2198421.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248912001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21167971 + ... + 21168029.

Almost surely, 2^1248912000 is an apocalyptic number.

1248912000 is a gapful number since it is divisible by the number (10) 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 1248912000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2720952000).

1248912000 is an abundant number, since it is smaller than the sum of its proper divisors (4192992000).

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

1248912000 is an equidigital number, since it uses as much as digits as its factorization.

1248912000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1248912000 is about 35339.9490661772. The cubic root of 1248912000 is about 1076.9047176357.

The spelling of 1248912000 in words is "one billion, two hundred forty-eight million, nine hundred twelve thousand".