121452520003 has 2 divisors, whose sum is σ = 121452520004. Its totient is φ = 121452520002.

The previous prime is 121452520001. The next prime is 121452520061. The reversal of 121452520003 is 300025254121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121452520003 - 2¹ = 121452520001 is a prime.

Together with 121452520001, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121452520003.

It is not a weakly prime, because it can be changed into another prime (121452520001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60726260001 + 60726260002.

It is an arithmetic number, because the mean of its divisors is an integer number (60726260002).

Almost surely, 2^121452520003 is an apocalyptic number.

121452520003 is a deficient number, since it is larger than the sum of its proper divisors (1).

121452520003 is an equidigital number, since it uses as much as digits as its factorization.

121452520003 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.

Adding to 121452520003 its reverse (300025254121), we get a palindrome (421477774124).

The spelling of 121452520003 in words is "one hundred twenty-one billion, four hundred fifty-two million, five hundred twenty thousand, three".