121400304241 has 4 divisors (see below), whose sum is σ = 121416410484. Its totient is φ = 121384198000.

The previous prime is 121400304229. The next prime is 121400304283. The reversal of 121400304241 is 142403004121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59965724641 + 61434579600 = 244879^2 + 247860^2 .

It is a cyclic number.

It is not a de Polignac number, because 121400304241 - 2²⁹ = 120863433329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121400308241) 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, 8041810 + ... + 8056891.

It is an arithmetic number, because the mean of its divisors is an integer number (30354102621).

Almost surely, 2^121400304241 is an apocalyptic number.

It is an amenable number.

121400304241 is a deficient number, since it is larger than the sum of its proper divisors (16106243).

121400304241 is an equidigital number, since it uses as much as digits as its factorization.

121400304241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16106242.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 121400304241 its reverse (142403004121), we get a palindrome (263803308362).

The spelling of 121400304241 in words is "one hundred twenty-one billion, four hundred million, three hundred four thousand, two hundred forty-one".