121096439 has 4 divisors (see below), whose sum is σ = 121137624. Its totient is φ = 121055256.

The previous prime is 121096429. The next prime is 121096453. The reversal of 121096439 is 934690121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934690121 = 211 ⋅4429811.

It is a cyclic number.

It is not a de Polignac number, because 121096439 - 2²⁴ = 104319223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121096399 and 121096408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121096429) 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, 15812 + ... + 22185.

It is an arithmetic number, because the mean of its divisors is an integer number (30284406).

Almost surely, 2^121096439 is an apocalyptic number.

121096439 is a deficient number, since it is larger than the sum of its proper divisors (41185).

121096439 is an equidigital number, since it uses as much as digits as its factorization.

121096439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41184.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 121096439 is about 11004.3827178084. The cubic root of 121096439 is about 494.7401132115.

The spelling of 121096439 in words is "one hundred twenty-one million, ninety-six thousand, four hundred thirty-nine".