130130121 has 16 divisors (see below), whose sum is σ = 200415168. Its totient is φ = 74227200.

The previous prime is 130130101. The next prime is 130130129. The reversal of 130130121 is 121031031.

It is not a de Polignac number, because 130130121 - 2¹¹ = 130128073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130130097 and 130130106.

It is not an unprimeable number, because it can be changed into a prime (130130129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115420 + ... + 116541.

It is an arithmetic number, because the mean of its divisors is an integer number (12525948).

Almost surely, 2^130130121 is an apocalyptic number.

130130121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130130121 is a deficient number, since it is larger than the sum of its proper divisors (70285047).

130130121 is a wasteful number, since it uses less digits than its factorization.

130130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231992.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 130130121 is about 11407.4590071584. The cubic root of 130130121 is about 506.7486626202.

Adding to 130130121 its reverse (121031031), we get a palindrome (251161152).

The spelling of 130130121 in words is "one hundred thirty million, one hundred thirty thousand, one hundred twenty-one".