1001314121 has 4 divisors (see below), whose sum is σ = 1008034500. Its totient is φ = 994593744.

The previous prime is 1001314109. The next prime is 1001314123. The reversal of 1001314121 is 1214131001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1214131001 = 3361 ⋅361241.

It can be written as a sum of positive squares in 2 ways, for example, as 295668025 + 705646096 = 17195^2 + 26564^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001314121 - 2¹⁰ = 1001313097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001314096 and 1001314105.

It is not an unprimeable number, because it can be changed into a prime (1001314123) 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 3 ways as a sum of consecutive naturals, for example, 3359966 + ... + 3360263.

It is an arithmetic number, because the mean of its divisors is an integer number (252008625).

Almost surely, 2^1001314121 is an apocalyptic number.

It is an amenable number.

1001314121 is a deficient number, since it is larger than the sum of its proper divisors (6720379).

1001314121 is an equidigital number, since it uses as much as digits as its factorization.

1001314121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720378.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1001314121 is about 31643.5478573437. The cubic root of 1001314121 is about 1000.4378485940.

Adding to 1001314121 its reverse (1214131001), we get a palindrome (2215445122).

The spelling of 1001314121 in words is "one billion, one million, three hundred fourteen thousand, one hundred twenty-one".