4121003 has 2 divisors, whose sum is σ = 4121004. Its totient is φ = 4121002.

The previous prime is 4120999. The next prime is 4121009. The reversal of 4121003 is 3001214.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4121003 - 2² = 4120999 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4121009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060501 + 2060502.

It is an arithmetic number, because the mean of its divisors is an integer number (2060502).

Almost surely, 2^4121003 is an apocalyptic number.

4121003 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121003 is an equidigital number, since it uses as much as digits as its factorization.

4121003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 4121003 is about 2030.0253692996. The cubic root of 4121003 is about 160.3248997004.

Adding to 4121003 its reverse (3001214), we get a palindrome (7122217).

The spelling of 4121003 in words is "four million, one hundred twenty-one thousand, three".