1298315724 has 24 divisors (see below), whose sum is σ = 3038564928. Its totient is φ = 431463120.

The previous prime is 1298315723. The next prime is 1298315833. The reversal of 1298315724 is 4275138921.

1298315724 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1298315723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159462 + ... + 167405.

It is an arithmetic number, because the mean of its divisors is an integer number (126606872).

Almost surely, 2^1298315724 is an apocalyptic number.

It is an amenable number.

1298315724 is an abundant number, since it is smaller than the sum of its proper divisors (1740249204).

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

1298315724 is a wasteful number, since it uses less digits than its factorization.

1298315724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327205 (or 327203 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 1298315724 is about 36032.1484788237. The cubic root of 1298315724 is about 1090.9213442740.

The spelling of 1298315724 in words is "one billion, two hundred ninety-eight million, three hundred fifteen thousand, seven hundred twenty-four".