401130521 has 8 divisors (see below), whose sum is σ = 463338144. Its totient is φ = 343213120.

The previous prime is 401130503. The next prime is 401130529. The reversal of 401130521 is 125031104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401130521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 401130521.

It is not an unprimeable number, because it can be changed into a prime (401130529) 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, 1072355 + ... + 1072728.

It is an arithmetic number, because the mean of its divisors is an integer number (57917268).

Almost surely, 2^401130521 is an apocalyptic number.

It is an amenable number.

401130521 is a deficient number, since it is larger than the sum of its proper divisors (62207623).

401130521 is a wasteful number, since it uses less digits than its factorization.

401130521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145111.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 401130521 is about 20028.2430832063. The cubic root of 401130521 is about 737.4997926266.

Adding to 401130521 its reverse (125031104), we get a palindrome (526161625).

The spelling of 401130521 in words is "four hundred one million, one hundred thirty thousand, five hundred twenty-one".