1248400048 has 60 divisors (see below), whose sum is σ = 2831228760. Its totient is φ = 531691776.

The previous prime is 1248400031. The next prime is 1248400051. The reversal of 1248400048 is 8400048421.

It is a junction number, because it is equal to n+sod(n) for n = 1248399992 and 1248400019.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122908 + ... + 132676.

It is an arithmetic number, because the mean of its divisors is an integer number (47187146).

Almost surely, 2^1248400048 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 1248400048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415614380).

1248400048 is an abundant number, since it is smaller than the sum of its proper divisors (1582828712).

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

1248400048 is a wasteful number, since it uses less digits than its factorization.

1248400048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954 (or 9941 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 1248400048 is about 35332.7050761755. The cubic root of 1248400048 is about 1076.7575498412.

Adding to 1248400048 its reverse (8400048421), we get a palindrome (9648448469).

The spelling of 1248400048 in words is "one billion, two hundred forty-eight million, four hundred thousand, forty-eight".