130332121 has 6 divisors (see below), whose sum is σ = 132582122. Its totient is φ = 128119680.

The previous prime is 130332107. The next prime is 130332131. The reversal of 130332121 is 121233031.

It can be written as a sum of positive squares in only one way, i.e., 112784400 + 17547721 = 10620^2 + 4189^2 .

It is not a de Polignac number, because 130332121 - 2⁵ = 130332089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130332095 and 130332104.

It is not an unprimeable number, because it can be changed into a prime (130332131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15240 + ... + 22201.

Almost surely, 2^130332121 is an apocalyptic number.

It is an amenable number.

130332121 is a deficient number, since it is larger than the sum of its proper divisors (2250001).

130332121 is an frugal number, since it uses more digits than its factorization.

130332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37559 (or 37500 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 130332121 is about 11416.3094299340. The cubic root of 130332121 is about 507.0107344316.

Adding to 130332121 its reverse (121233031), we get a palindrome (251565152).

The spelling of 130332121 in words is "one hundred thirty million, three hundred thirty-two thousand, one hundred twenty-one".