1249318304 has 144 divisors (see below), whose sum is σ = 2868784128. Its totient is φ = 533385216.

The previous prime is 1249318303. The next prime is 1249318313. The reversal of 1249318304 is 4038139421.

It is not an unprimeable number, because it can be changed into a prime (1249318303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9837089 + ... + 9837215.

It is an arithmetic number, because the mean of its divisors is an integer number (19922112).

Almost surely, 2^1249318304 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 1249318304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434392064).

1249318304 is an abundant number, since it is smaller than the sum of its proper divisors (1619465824).

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

1249318304 is a wasteful number, since it uses less digits than its factorization.

1249318304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1249318304 is about 35345.6971072859. The cubic root of 1249318304 is about 1077.0214868060.

The spelling of 1249318304 in words is "one billion, two hundred forty-nine million, three hundred eighteen thousand, three hundred four".