130240121 has 4 divisors (see below), whose sum is σ = 142080144. Its totient is φ = 118400100.

The previous prime is 130240093. The next prime is 130240171. The reversal of 130240121 is 121042031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130240121 - 2²² = 126045817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130240096 and 130240105.

It is not an unprimeable number, because it can be changed into a prime (130240171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5919995 + ... + 5920016.

It is an arithmetic number, because the mean of its divisors is an integer number (35520036).

Almost surely, 2^130240121 is an apocalyptic number.

130240121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130240121 is a deficient number, since it is larger than the sum of its proper divisors (11840023).

130240121 is a wasteful number, since it uses less digits than its factorization.

130240121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11840022.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 130240121 is about 11412.2793954582. The cubic root of 130240121 is about 506.8914085972.

Adding to 130240121 its reverse (121042031), we get a palindrome (251282152).

The spelling of 130240121 in words is "one hundred thirty million, two hundred forty thousand, one hundred twenty-one".