1298326752 has 96 divisors (see below), whose sum is σ = 3917440800. Its totient is φ = 417844224.

The previous prime is 1298326751. The next prime is 1298326807. The reversal of 1298326752 is 2576238921.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 1298326698 and 1298326707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298326751) 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, 853 + ... + 50964.

It is an arithmetic number, because the mean of its divisors is an integer number (40806675).

Almost surely, 2^1298326752 is an apocalyptic number.

1298326752 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 1298326752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1958720400).

1298326752 is an abundant number, since it is smaller than the sum of its proper divisors (2619114048).

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

1298326752 is a wasteful number, since it uses less digits than its factorization.

1298326752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51865 (or 51851 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 1298326752 is about 36032.3015085076. The cubic root of 1298326752 is about 1090.9244330570.

The spelling of 1298326752 in words is "one billion, two hundred ninety-eight million, three hundred twenty-six thousand, seven hundred fifty-two".