241561121 has 4 divisors (see below), whose sum is σ = 246118932. Its totient is φ = 237003312.

The previous prime is 241561091. The next prime is 241561127. The reversal of 241561121 is 121165142.

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 64963600 + 176597521 = 8060^2 + 13289^2 .

It is a cyclic number.

It is not a de Polignac number, because 241561121 - 2²² = 237366817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241561127) 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, 2278826 + ... + 2278931.

It is an arithmetic number, because the mean of its divisors is an integer number (61529733).

Almost surely, 2^241561121 is an apocalyptic number.

It is an amenable number.

241561121 is a deficient number, since it is larger than the sum of its proper divisors (4557811).

241561121 is an equidigital number, since it uses as much as digits as its factorization.

241561121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557810.

The product of its digits is 480, while the sum is 23.

The square root of 241561121 is about 15542.2366794487. The cubic root of 241561121 is about 622.7910251394.

It can be divided in two parts, 2415 and 61121, that added together give a palindrome (63536).

The spelling of 241561121 in words is "two hundred forty-one million, five hundred sixty-one thousand, one hundred twenty-one".