121754013203 has 6 divisors (see below), whose sum is σ = 125808258132. Its totient is φ = 117826463460.

The previous prime is 121754013187. The next prime is 121754013223. The reversal of 121754013203 is 302310457121.

It is not a de Polignac number, because 121754013203 - 2⁴ = 121754013187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121754013223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63346601 + ... + 63348522.

It is an arithmetic number, because the mean of its divisors is an integer number (20968043022).

Almost surely, 2^121754013203 is an apocalyptic number.

121754013203 is a deficient number, since it is larger than the sum of its proper divisors (4054244929).

121754013203 is an equidigital number, since it uses as much as digits as its factorization.

121754013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126695185 (or 126695154 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 121754013203 in words is "one hundred twenty-one billion, seven hundred fifty-four million, thirteen thousand, two hundred three".