130001121 has 12 divisors (see below), whose sum is σ = 188325072. Its totient is φ = 86415576.

The previous prime is 130001117. The next prime is 130001149. The reversal of 130001121 is 121100031.

It is not a de Polignac number, because 130001121 - 2² = 130001117 is a prime.

It is a super-2 number, since 2×130001121² = 33800582922513282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130001111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17691 + ... + 23936.

It is an arithmetic number, because the mean of its divisors is an integer number (15693756).

Almost surely, 2^130001121 is an apocalyptic number.

It is an amenable number.

130001121 is a deficient number, since it is larger than the sum of its proper divisors (58323951).

130001121 is a wasteful number, since it uses less digits than its factorization.

130001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41980 (or 41977 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 130001121 is about 11401.8034099874. The cubic root of 130001121 is about 506.5811579978.

Adding to 130001121 its reverse (121100031), we get a palindrome (251101152).

The spelling of 130001121 in words is "one hundred thirty million, one thousand, one hundred twenty-one".