1300828489 has 3 divisors (see below), whose sum is σ = 1300864557. Its totient is φ = 1300792422.

The previous prime is 1300828471. The next prime is 1300828493. The reversal of 1300828489 is 9848280031.

The square root of 1300828489 is 36067.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9848280031 = 47 ⋅209537873.

It is not a de Polignac number, because 1300828489 - 2¹¹ = 1300826441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300828439) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 18034 + ... + 54100.

It is an arithmetic number, because the mean of its divisors is an integer number (433621519).

Almost surely, 2^1300828489 is an apocalyptic number.

1300828489 is the 36067-th square number.

1300828489 is the 18034-th centered octagonal number.

It is an amenable number.

1300828489 is a deficient number, since it is larger than the sum of its proper divisors (36068).

1300828489 is an frugal number, since it uses more digits than its factorization.

1300828489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72134 (or 36067 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The cubic root of 1300828489 is about 1091.6246817746.

The spelling of 1300828489 in words is "one billion, three hundred million, eight hundred twenty-eight thousand, four hundred eighty-nine".