1321001301 has 16 divisors (see below), whose sum is σ = 1838208960. Its totient is φ = 842768640.

The previous prime is 1321001293. The next prime is 1321001333. The reversal of 1321001301 is 1031001231.

It is not a de Polignac number, because 1321001301 - 2³ = 1321001293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321000301) 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 15 ways as a sum of consecutive naturals, for example, 57355 + ... + 77016.

It is an arithmetic number, because the mean of its divisors is an integer number (114888060).

Almost surely, 2^1321001301 is an apocalyptic number.

It is an amenable number.

1321001301 is a deficient number, since it is larger than the sum of its proper divisors (517207659).

1321001301 is a wasteful number, since it uses less digits than its factorization.

1321001301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134516.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1321001301 is about 36345.5815884132. The cubic root of 1321001301 is about 1097.2386112043.

Adding to 1321001301 its reverse (1031001231), we get a palindrome (2352002532).

The spelling of 1321001301 in words is "one billion, three hundred twenty-one million, one thousand, three hundred one".