1273201248 has 384 divisors, whose sum is σ = 4180377600. Its totient is φ = 334540800.

The previous prime is 1273201207. The next prime is 1273201273. The reversal of 1273201248 is 8421023721.

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 63 ways as a sum of consecutive naturals, for example, 14305588 + ... + 14305676.

It is an arithmetic number, because the mean of its divisors is an integer number (10886400).

Almost surely, 2^1273201248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1273201248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2090188800).

1273201248 is an abundant number, since it is smaller than the sum of its proper divisors (2907176352).

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

1273201248 is a wasteful number, since it uses less digits than its factorization.

1273201248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1273201248 is about 35681.9456868596. The cubic root of 1273201248 is about 1083.8412734011.

Adding to 1273201248 its reverse (8421023721), we get a palindrome (9694224969).

The spelling of 1273201248 in words is "one billion, two hundred seventy-three million, two hundred one thousand, two hundred forty-eight".