1441312121 has 4 divisors (see below), whose sum is σ = 1465741200. Its totient is φ = 1416883044.

The previous prime is 1441312079. The next prime is 1441312129. The reversal of 1441312121 is 1212131441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1441312121 - 2⁶ = 1441312057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1441312093 and 1441312102.

It is not an unprimeable number, because it can be changed into a prime (1441312129) 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, 12214451 + ... + 12214568.

It is an arithmetic number, because the mean of its divisors is an integer number (366435300).

Almost surely, 2^1441312121 is an apocalyptic number.

It is an amenable number.

1441312121 is a deficient number, since it is larger than the sum of its proper divisors (24429079).

1441312121 is an equidigital number, since it uses as much as digits as its factorization.

1441312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24429078.

The product of its digits is 192, while the sum is 20.

The square root of 1441312121 is about 37964.6166976568. The cubic root of 1441312121 is about 1129.5861175159.

Adding to 1441312121 its reverse (1212131441), we get a palindrome (2653443562).

The spelling of 1441312121 in words is "one billion, four hundred forty-one million, three hundred twelve thousand, one hundred twenty-one".