411121603 has 4 divisors (see below), whose sum is σ = 425298240. Its totient is φ = 396944968.

The previous prime is 411121561. The next prime is 411121631. The reversal of 411121603 is 306121114.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-411121603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (411121673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7088275 + ... + 7088332.

It is an arithmetic number, because the mean of its divisors is an integer number (106324560).

Almost surely, 2^411121603 is an apocalyptic number.

411121603 is a deficient number, since it is larger than the sum of its proper divisors (14176637).

411121603 is a wasteful number, since it uses less digits than its factorization.

411121603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14176636.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 411121603 is about 20276.1338277296. The cubic root of 411121603 is about 743.5726935769.

Adding to 411121603 its reverse (306121114), we get a palindrome (717242717).

The spelling of 411121603 in words is "four hundred eleven million, one hundred twenty-one thousand, six hundred three".