1301000033 has 4 divisors (see below), whose sum is σ = 1342967808. Its totient is φ = 1259032260.

The previous prime is 1300999993. The next prime is 1301000039. The reversal of 1301000033 is 3300001031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3300001031 = 29 ⋅113793139.

It is a cyclic number.

It is not a de Polignac number, because 1301000033 - 2³⁰ = 227258209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300999978 and 1301000023.

It is not an unprimeable number, because it can be changed into a prime (1301000039) 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 3 ways as a sum of consecutive naturals, for example, 20983841 + ... + 20983902.

It is an arithmetic number, because the mean of its divisors is an integer number (335741952).

Almost surely, 2^1301000033 is an apocalyptic number.

It is an amenable number.

1301000033 is a deficient number, since it is larger than the sum of its proper divisors (41967775).

1301000033 is an equidigital number, since it uses as much as digits as its factorization.

1301000033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41967774.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 1301000033 is about 36069.3780511946. The cubic root of 1301000033 is about 1091.6726648959.

Adding to 1301000033 its reverse (3300001031), we get a palindrome (4601001064).

The spelling of 1301000033 in words is "one billion, three hundred one million, thirty-three", and thus it is an aban number.