1301213243 has 8 divisors (see below), whose sum is σ = 1419887280. Its totient is φ = 1182602880.

The previous prime is 1301213227. The next prime is 1301213257. The reversal of 1301213243 is 3423121031.

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 1301213243 - 2⁴ = 1301213227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301243243) 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 7 ways as a sum of consecutive naturals, for example, 33503 + ... + 61031.

It is an arithmetic number, because the mean of its divisors is an integer number (177485910).

Almost surely, 2^1301213243 is an apocalyptic number.

1301213243 is a deficient number, since it is larger than the sum of its proper divisors (118674037).

1301213243 is a wasteful number, since it uses less digits than its factorization.

1301213243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31837.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1301213243 is about 36072.3334842646. Note that the first 3 decimals coincide. The cubic root of 1301213243 is about 1091.7322966687.

Adding to 1301213243 its reverse (3423121031), we get a palindrome (4724334274).

The spelling of 1301213243 in words is "one billion, three hundred one million, two hundred thirteen thousand, two hundred forty-three".