120432503 has 2 divisors, whose sum is σ = 120432504. Its totient is φ = 120432502.

The previous prime is 120432493. The next prime is 120432509. The reversal of 120432503 is 305234021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120432503 - 2¹⁸ = 120170359 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120432509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60216251 + 60216252.

It is an arithmetic number, because the mean of its divisors is an integer number (60216252).

Almost surely, 2^120432503 is an apocalyptic number.

120432503 is a deficient number, since it is larger than the sum of its proper divisors (1).

120432503 is an equidigital number, since it uses as much as digits as its factorization.

120432503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 120432503 is about 10974.1743652997. The cubic root of 120432503 is about 493.8342844312.

Adding to 120432503 its reverse (305234021), we get a palindrome (425666524).

The spelling of 120432503 in words is "one hundred twenty million, four hundred thirty-two thousand, five hundred three".