121454709063 has 4 divisors (see below), whose sum is σ = 161939612088. Its totient is φ = 80969806040.

The previous prime is 121454709043. The next prime is 121454709083. The reversal of 121454709063 is 360907454121.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (121454709043) and next prime (121454709083).

It is a cyclic number.

It is not a de Polignac number, because 121454709063 - 2¹⁷ = 121454577991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121454709023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20242451508 + ... + 20242451513.

It is an arithmetic number, because the mean of its divisors is an integer number (40484903022).

Almost surely, 2^121454709063 is an apocalyptic number.

121454709063 is a deficient number, since it is larger than the sum of its proper divisors (40484903025).

121454709063 is an equidigital number, since it uses as much as digits as its factorization.

121454709063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40484903024.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 121454709063 in words is "one hundred twenty-one billion, four hundred fifty-four million, seven hundred nine thousand, sixty-three".