1043344121 has 2 divisors, whose sum is σ = 1043344122. Its totient is φ = 1043344120.

The previous prime is 1043344087. The next prime is 1043344139. The reversal of 1043344121 is 1214433401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666207721 + 377136400 = 25811^2 + 19420^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043344121 - 2¹⁰ = 1043343097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043344151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521672060 + 521672061.

It is an arithmetic number, because the mean of its divisors is an integer number (521672061).

Almost surely, 2^1043344121 is an apocalyptic number.

It is an amenable number.

1043344121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043344121 is an equidigital number, since it uses as much as digits as its factorization.

1043344121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1043344121 is about 32300.8377755129. The cubic root of 1043344121 is about 1014.2441802955.

Adding to 1043344121 its reverse (1214433401), we get a palindrome (2257777522).

The spelling of 1043344121 in words is "one billion, forty-three million, three hundred forty-four thousand, one hundred twenty-one".