121342023103129 has 8 divisors (see below), whose sum is σ = 123924198826368. Its totient is φ = 118759865319600.

The previous prime is 121342023103117. The next prime is 121342023103159. The reversal of 121342023103129 is 921301320243121.

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 121342023103129 - 2⁵ = 121342023103097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121342023103094 and 121342023103103.

It is not an unprimeable number, because it can be changed into a prime (121342023103159) 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, 9656179 + ... + 18328279.

It is an arithmetic number, because the mean of its divisors is an integer number (15490524853296).

Almost surely, 2^{121342023103129} is an apocalyptic number.

It is an amenable number.

121342023103129 is a deficient number, since it is larger than the sum of its proper divisors (2582175723239).

121342023103129 is an equidigital number, since it uses as much as digits as its factorization.

121342023103129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8969855.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 121342023103129 in words is "one hundred twenty-one trillion, three hundred forty-two billion, twenty-three million, one hundred three thousand, one hundred twenty-nine".