130401121 has 8 divisors (see below), whose sum is σ = 131815944. Its totient is φ = 128993280.

The previous prime is 130401119. The next prime is 130401133. The reversal of 130401121 is 121104031.

It can be written as a sum of positive squares in 4 ways, for example, as 20151121 + 110250000 = 4489^2 + 10500^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130401121 - 2¹ = 130401119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130401521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41361 + ... + 44401.

It is an arithmetic number, because the mean of its divisors is an integer number (16476993).

Almost surely, 2^130401121 is an apocalyptic number.

It is an amenable number.

130401121 is a deficient number, since it is larger than the sum of its proper divisors (1414823).

130401121 is a wasteful number, since it uses less digits than its factorization.

130401121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 130401121 is about 11419.3310224373. The cubic root of 130401121 is about 507.1001919615.

Adding to 130401121 its reverse (121104031), we get a palindrome (251505152).

It can be divided in two parts, 13040 and 1121, that added together give a square (14161 = 119²).

The spelling of 130401121 in words is "one hundred thirty million, four hundred one thousand, one hundred twenty-one".