1247168448 has 112 divisors (see below), whose sum is σ = 3695964160. Its totient is φ = 412376832.

The previous prime is 1247168443. The next prime is 1247168459. The reversal of 1247168448 is 8448617421.

1247168448 is a `hidden beast` number, since 1 + 2 + 47 + 168 + 448 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1247168441) 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 15 ways as a sum of consecutive naturals, for example, 216615 + ... + 222297.

It is an arithmetic number, because the mean of its divisors is an integer number (32999680).

Almost surely, 2^1247168448 is an apocalyptic number.

1247168448 is a gapful number since it is divisible by the number (18) 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 1247168448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1847982080).

1247168448 is an abundant number, since it is smaller than the sum of its proper divisors (2448795712).

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

1247168448 is a wasteful number, since it uses less digits than its factorization.

1247168448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831 (or 5815 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 1247168448 is about 35315.2721637537. The cubic root of 1247168448 is about 1076.4033442226.

The spelling of 1247168448 in words is "one billion, two hundred forty-seven million, one hundred sixty-eight thousand, four hundred forty-eight".