121204043 has 8 divisors (see below), whose sum is σ = 126706848. Its totient is φ = 115720704.

The previous prime is 121204019. The next prime is 121204051. The reversal of 121204043 is 340402121.

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 121204043 - 2²⁴ = 104426827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121204063) 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, 8705 + ... + 17837.

It is an arithmetic number, because the mean of its divisors is an integer number (15838356).

Almost surely, 2^121204043 is an apocalyptic number.

121204043 is a deficient number, since it is larger than the sum of its proper divisors (5502805).

121204043 is an equidigital number, since it uses as much as digits as its factorization.

121204043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9733.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 121204043 is about 11009.2707751240. The cubic root of 121204043 is about 494.8866087242.

Adding to 121204043 its reverse (340402121), we get a palindrome (461606164).

The spelling of 121204043 in words is "one hundred twenty-one million, two hundred four thousand, forty-three".