1248387552 has 120 divisors (see below), whose sum is σ = 3864861000. Its totient is φ = 394212096.

The previous prime is 1248387551. The next prime is 1248387559. The reversal of 1248387552 is 2557838421.

1248387552 is a `hidden beast` number, since 12 + 4 + 8 + 3 + 87 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1248387498 and 1248387507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248387551) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 36574 + ... + 61922.

It is an arithmetic number, because the mean of its divisors is an integer number (32207175).

Almost surely, 2^1248387552 is an apocalyptic number.

1248387552 is a gapful number since it is divisible by the number (12) 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 1248387552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1932430500).

1248387552 is an abundant number, since it is smaller than the sum of its proper divisors (2616473448).

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

1248387552 is a wasteful number, since it uses less digits than its factorization.

1248387552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25390 (or 25373 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 1248387552 is about 35332.5282424001. The cubic root of 1248387552 is about 1076.7539571875.

The spelling of 1248387552 in words is "one billion, two hundred forty-eight million, three hundred eighty-seven thousand, five hundred fifty-two".