403121041 has 2 divisors, whose sum is σ = 403121042. Its totient is φ = 403121040.

The previous prime is 403121009. The next prime is 403121053. The reversal of 403121041 is 140121304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268468225 + 134652816 = 16385^2 + 11604^2 .

It is a cyclic number.

It is not a de Polignac number, because 403121041 - 2⁵ = 403121009 is a prime.

It is not a weakly prime, because it can be changed into another prime (403121941) 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 as a sum of consecutive naturals, namely, 201560520 + 201560521.

It is an arithmetic number, because the mean of its divisors is an integer number (201560521).

Almost surely, 2^403121041 is an apocalyptic number.

It is an amenable number.

403121041 is a deficient number, since it is larger than the sum of its proper divisors (1).

403121041 is an equidigital number, since it uses as much as digits as its factorization.

403121041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 403121041 is about 20077.8744143896. The cubic root of 403121041 is about 738.7176726453.

Adding to 403121041 its reverse (140121304), we get a palindrome (543242345).

The spelling of 403121041 in words is "four hundred three million, one hundred twenty-one thousand, forty-one".