4045121503 has 2 divisors, whose sum is σ = 4045121504. Its totient is φ = 4045121502.

The previous prime is 4045121497. The next prime is 4045121513. The reversal of 4045121503 is 3051215404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4045121503 - 2⁵ = 4045121471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4045121513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022560751 + 2022560752.

It is an arithmetic number, because the mean of its divisors is an integer number (2022560752).

Almost surely, 2^4045121503 is an apocalyptic number.

4045121503 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045121503 is an equidigital number, since it uses as much as digits as its factorization.

4045121503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4045121503 is about 63601.2696649996. The cubic root of 4045121503 is about 1593.3475748111.

Adding to 4045121503 its reverse (3051215404), we get a palindrome (7096336907).

The spelling of 4045121503 in words is "four billion, forty-five million, one hundred twenty-one thousand, five hundred three".