1044121541 has 2 divisors, whose sum is σ = 1044121542. Its totient is φ = 1044121540.

The previous prime is 1044121531. The next prime is 1044121543. The reversal of 1044121541 is 1451214401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030089025 + 14032516 = 32095^2 + 3746^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044121541 - 2²² = 1039927237 is a prime.

It is a Sophie Germain prime.

Together with 1044121543, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044121543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522060770 + 522060771.

It is an arithmetic number, because the mean of its divisors is an integer number (522060771).

Almost surely, 2^1044121541 is an apocalyptic number.

It is an amenable number.

1044121541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044121541 is an equidigital number, since it uses as much as digits as its factorization.

1044121541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1044121541 is about 32312.8695878283. The cubic root of 1044121541 is about 1014.4960300716.

Adding to 1044121541 its reverse (1451214401), we get a palindrome (2495335942).

The spelling of 1044121541 in words is "one billion, forty-four million, one hundred twenty-one thousand, five hundred forty-one".