1301983205 has 8 divisors (see below), whose sum is σ = 1563847800. Its totient is φ = 1040607936.

The previous prime is 1301983157. The next prime is 1301983231. The reversal of 1301983205 is 5023891031.

It can be written as a sum of positive squares in 4 ways, for example, as 1515361 + 1300467844 = 1231^2 + 36062^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1301983205 - 2¹⁸ = 1301721061 is a prime.

It is a super-2 number, since 2×1301983205² = 3390320532204144050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116450 + ... + 127139.

It is an arithmetic number, because the mean of its divisors is an integer number (195480975).

Almost surely, 2^1301983205 is an apocalyptic number.

It is an amenable number.

1301983205 is a deficient number, since it is larger than the sum of its proper divisors (261864595).

1301983205 is a wasteful number, since it uses less digits than its factorization.

1301983205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244663.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1301983205 is about 36083.0043787931. The cubic root of 1301983205 is about 1091.9475897530.

The spelling of 1301983205 in words is "one billion, three hundred one million, nine hundred eighty-three thousand, two hundred five".