1310201121 has 16 divisors (see below), whose sum is σ = 1810785600. Its totient is φ = 841662528.

The previous prime is 1310201119. The next prime is 1310201131. The reversal of 1310201121 is 1211020131.

It is not a de Polignac number, because 1310201121 - 2¹ = 1310201119 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1310201097 and 1310201106.

It is not an unprimeable number, because it can be changed into a prime (1310201131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29490 + ... + 59076.

It is an arithmetic number, because the mean of its divisors is an integer number (113174100).

Almost surely, 2^1310201121 is an apocalyptic number.

It is an amenable number.

1310201121 is a deficient number, since it is larger than the sum of its proper divisors (500584479).

1310201121 is a wasteful number, since it uses less digits than its factorization.

1310201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30128.

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

The square root of 1310201121 is about 36196.7004159219. The cubic root of 1310201121 is about 1094.2401742785.

Adding to 1310201121 its reverse (1211020131), we get a palindrome (2521221252).

The spelling of 1310201121 in words is "one billion, three hundred ten million, two hundred one thousand, one hundred twenty-one".