403411121 has 4 divisors (see below), whose sum is σ = 403454244. Its totient is φ = 403368000.

The previous prime is 403411103. The next prime is 403411133. The reversal of 403411121 is 121114304.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 63377521 + 340033600 = 7961^2 + 18440^2 .

It is a cyclic number.

It is not a de Polignac number, because 403411121 - 2¹⁴ = 403394737 is a prime.

It is a super-3 number, since 3×403411121³ (a number of 27 digits) contains 333 as substring.

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 403411121.

It is not an unprimeable number, because it can be changed into a prime (403411181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980 + ... + 28421.

It is an arithmetic number, because the mean of its divisors is an integer number (100863561).

Almost surely, 2^403411121 is an apocalyptic number.

It is an amenable number.

403411121 is a deficient number, since it is larger than the sum of its proper divisors (43123).

403411121 is a wasteful number, since it uses less digits than its factorization.

403411121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43122.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 403411121 is about 20085.0969875677. The cubic root of 403411121 is about 738.8948203023.

Adding to 403411121 its reverse (121114304), we get a palindrome (524525425).

The spelling of 403411121 in words is "four hundred three million, four hundred eleven thousand, one hundred twenty-one".