121245040441 has 8 divisors (see below), whose sum is σ = 138608409024. Its totient is φ = 103892334000.

The previous prime is 121245040439. The next prime is 121245040453. The reversal of 121245040441 is 144040542121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121245040441 - 2¹ = 121245040439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121245040471) 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, 2641150 + ... + 2686663.

It is an arithmetic number, because the mean of its divisors is an integer number (17326051128).

Almost surely, 2^121245040441 is an apocalyptic number.

It is an amenable number.

121245040441 is a deficient number, since it is larger than the sum of its proper divisors (17363368583).

121245040441 is an equidigital number, since it uses as much as digits as its factorization.

121245040441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331071.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 121245040441 its reverse (144040542121), we get a palindrome (265285582562).

The spelling of 121245040441 in words is "one hundred twenty-one billion, two hundred forty-five million, forty thousand, four hundred forty-one".