1248751456 has 48 divisors (see below), whose sum is σ = 2612808576. Its totient is φ = 585455616.

The previous prime is 1248751447. The next prime is 1248751463. The reversal of 1248751456 is 6541578421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146545 + ... + 154831.

It is an arithmetic number, because the mean of its divisors is an integer number (54433512).

Almost surely, 2^1248751456 is an apocalyptic number.

1248751456 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 1248751456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306404288).

1248751456 is an abundant number, since it is smaller than the sum of its proper divisors (1364057120).

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

1248751456 is a wasteful number, since it uses less digits than its factorization.

1248751456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8591 (or 8583 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 1248751456 is about 35337.6775694159. The cubic root of 1248751456 is about 1076.8585713367.

The spelling of 1248751456 in words is "one billion, two hundred forty-eight million, seven hundred fifty-one thousand, four hundred fifty-six".