1248779168 has 96 divisors (see below), whose sum is σ = 3096567936. Its totient is φ = 482485248.

The previous prime is 1248779167. The next prime is 1248779171. The reversal of 1248779168 is 8619778421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1248779167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120230 + ... + 130202.

It is an arithmetic number, because the mean of its divisors is an integer number (32255916).

Almost surely, 2^1248779168 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 1248779168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548283968).

1248779168 is an abundant number, since it is smaller than the sum of its proper divisors (1847788768).

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

1248779168 is a wasteful number, since it uses less digits than its factorization.

1248779168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10046 (or 10038 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 53.

The square root of 1248779168 is about 35338.0696699749. The cubic root of 1248779168 is about 1076.8665370756.

The spelling of 1248779168 in words is "one billion, two hundred forty-eight million, seven hundred seventy-nine thousand, one hundred sixty-eight".