130202121 has 16 divisors (see below), whose sum is σ = 201657728. Its totient is φ = 73180800.

The previous prime is 130202113. The next prime is 130202123. The reversal of 130202121 is 121202031.

It is not a de Polignac number, because 130202121 - 2³ = 130202113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130202097 and 130202106.

It is not an unprimeable number, because it can be changed into a prime (130202123) 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 15 ways as a sum of consecutive naturals, for example, 49540 + ... + 52101.

It is an arithmetic number, because the mean of its divisors is an integer number (12603608).

Almost surely, 2^130202121 is an apocalyptic number.

It is an amenable number.

130202121 is a deficient number, since it is larger than the sum of its proper divisors (71455607).

130202121 is a wasteful number, since it uses less digits than its factorization.

130202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101712.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 130202121 is about 11410.6144006359. The cubic root of 130202121 is about 506.8421054408.

Adding to 130202121 its reverse (121202031), we get a palindrome (251404152).

It can be divided in two parts, 1302021 and 21, that multiplied together give a square (27342441 = 5229²).

The spelling of 130202121 in words is "one hundred thirty million, two hundred two thousand, one hundred twenty-one".