10121454503 has 2 divisors, whose sum is σ = 10121454504. Its totient is φ = 10121454502.

The previous prime is 10121454493. The next prime is 10121454533. The reversal of 10121454503 is 30545412101.

10121454503 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10121454503 - 2⁸ = 10121454247 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121454533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060727251 + 5060727252.

It is an arithmetic number, because the mean of its divisors is an integer number (5060727252).

Almost surely, 2^10121454503 is an apocalyptic number.

10121454503 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121454503 is an equidigital number, since it uses as much as digits as its factorization.

10121454503 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 26.

Adding to 10121454503 its reverse (30545412101), we get a palindrome (40666866604).

The spelling of 10121454503 in words is "ten billion, one hundred twenty-one million, four hundred fifty-four thousand, five hundred three".