121410801329 has 4 divisors (see below), whose sum is σ = 121563136884. Its totient is φ = 121258465776.

The previous prime is 121410801319. The next prime is 121410801341. The reversal of 121410801329 is 923108014121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 923108014121 = 347 ⋅2660253643.

It can be written as a sum of positive squares in 2 ways, for example, as 25969967104 + 95440834225 = 161152^2 + 308935^2 .

It is a cyclic number.

It is not a de Polignac number, because 121410801329 - 2²⁴ = 121394024113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121410801295 and 121410801304.

It is not an unprimeable number, because it can be changed into a prime (121410801319) 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, 76166582 + ... + 76168175.

It is an arithmetic number, because the mean of its divisors is an integer number (30390784221).

Almost surely, 2^121410801329 is an apocalyptic number.

It is an amenable number.

121410801329 is a deficient number, since it is larger than the sum of its proper divisors (152335555).

121410801329 is an equidigital number, since it uses as much as digits as its factorization.

121410801329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152335554.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 121410801329 in words is "one hundred twenty-one billion, four hundred ten million, eight hundred one thousand, three hundred twenty-nine".