130201121 has 4 divisors (see below), whose sum is σ = 131984772. Its totient is φ = 128417472.

The previous prime is 130201073. The next prime is 130201151. The reversal of 130201121 is 121102031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121102031 = 67 ⋅1807493.

It can be written as a sum of positive squares in 2 ways, for example, as 35236096 + 94965025 = 5936^2 + 9745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130201121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130201151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891716 + ... + 891861.

It is an arithmetic number, because the mean of its divisors is an integer number (32996193).

Almost surely, 2^130201121 is an apocalyptic number.

It is an amenable number.

130201121 is a deficient number, since it is larger than the sum of its proper divisors (1783651).

130201121 is an equidigital number, since it uses as much as digits as its factorization.

130201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783650.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 130201121 is about 11410.5705817019. The cubic root of 130201121 is about 506.8408078598.

Adding to 130201121 its reverse (121102031), we get a palindrome (251303152).

It can be divided in two parts, 13020 and 1121, that added together give a palindrome (14141).

The spelling of 130201121 in words is "one hundred thirty million, two hundred one thousand, one hundred twenty-one".