1301982889 has 3 divisors (see below), whose sum is σ = 1302018973. Its totient is φ = 1301946806.

The previous prime is 1301982883. The next prime is 1301982907. The reversal of 1301982889 is 9882891031.

The square root of 1301982889 is 36083.

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.

It is not a de Polignac number, because 1301982889 - 2¹³ = 1301974697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301982883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 18042 + ... + 54124.

Almost surely, 2^1301982889 is an apocalyptic number.

1301982889 is the 36083-rd square number.

1301982889 is the 18042-nd centered octagonal number.

It is an amenable number.

1301982889 is a deficient number, since it is larger than the sum of its proper divisors (36084).

1301982889 is an frugal number, since it uses more digits than its factorization.

1301982889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72166 (or 36083 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 49.

The cubic root of 1301982889 is about 1091.9475014120.

Multiplying 1301982889 by its sum of digits (49), we get a square (63797161561 = 252581²).

The spelling of 1301982889 in words is "one billion, three hundred one million, nine hundred eighty-two thousand, eight hundred eighty-nine".