1301121301 has 4 divisors (see below), whose sum is σ = 1301193504. Its totient is φ = 1301049100.

The previous prime is 1301121271. The next prime is 1301121331. The reversal of 1301121301 is 1031211031.

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 a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (1301121271) and next prime (1301121331).

It is a cyclic number.

It is not a de Polignac number, because 1301121301 - 2¹³ = 1301113109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301121331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15846 + ... + 53416.

It is an arithmetic number, because the mean of its divisors is an integer number (325298376).

Almost surely, 2^1301121301 is an apocalyptic number.

It is an amenable number.

1301121301 is a deficient number, since it is larger than the sum of its proper divisors (72203).

1301121301 is an equidigital number, since it uses as much as digits as its factorization.

1301121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72202.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1301121301 is about 36071.0590501582. The cubic root of 1301121301 is about 1091.7065826116.

Adding to 1301121301 its reverse (1031211031), we get a palindrome (2332332332).

The spelling of 1301121301 in words is "one billion, three hundred one million, one hundred twenty-one thousand, three hundred one".