121341452503 has 8 divisors (see below), whose sum is σ = 127810334000. Its totient is φ = 114880819968.

The previous prime is 121341452489. The next prime is 121341452509. The reversal of 121341452503 is 305254143121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121341452503 - 2⁵ = 121341452471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121341452509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2032026 + ... + 2090887.

It is an arithmetic number, because the mean of its divisors is an integer number (15976291750).

Almost surely, 2^121341452503 is an apocalyptic number.

121341452503 is a deficient number, since it is larger than the sum of its proper divisors (6468881497).

121341452503 is a wasteful number, since it uses less digits than its factorization.

121341452503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124481.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 121341452503 its reverse (305254143121), we get a palindrome (426595595624).

The spelling of 121341452503 in words is "one hundred twenty-one billion, three hundred forty-one million, four hundred fifty-two thousand, five hundred three".