1301243133 has 8 divisors (see below), whose sum is σ = 1742771968. Its totient is φ = 863604864.

The previous prime is 1301243131. The next prime is 1301243149. The reversal of 1301243133 is 3313421031.

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

It is not a de Polignac number, because 1301243133 - 2¹ = 1301243131 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301243131) by changing a digit.

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, 971860 + ... + 973197.

It is an arithmetic number, because the mean of its divisors is an integer number (217846496).

Almost surely, 2^1301243133 is an apocalyptic number.

It is an amenable number.

1301243133 is a deficient number, since it is larger than the sum of its proper divisors (441528835).

1301243133 is a wasteful number, since it uses less digits than its factorization.

1301243133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945283.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1301243133 is about 36072.7477883235. The cubic root of 1301243133 is about 1091.7406559516.

Adding to 1301243133 its reverse (3313421031), we get a palindrome (4614664164).

The spelling of 1301243133 in words is "one billion, three hundred one million, two hundred forty-three thousand, one hundred thirty-three".