1041105421 has 2 divisors, whose sum is σ = 1041105422. Its totient is φ = 1041105420.

The previous prime is 1041105397. The next prime is 1041105451. The reversal of 1041105421 is 1245011401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1029511396 + 11594025 = 32086^2 + 3405^2 .

It is an emirp because it is prime and its reverse (1245011401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1041105421 - 2¹⁹ = 1040581133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1041105451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520552710 + 520552711.

It is an arithmetic number, because the mean of its divisors is an integer number (520552711).

Almost surely, 2^1041105421 is an apocalyptic number.

It is an amenable number.

1041105421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041105421 is an equidigital number, since it uses as much as digits as its factorization.

1041105421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1041105421 is about 32266.1652664211. The cubic root of 1041105421 is about 1013.5182407141.

Adding to 1041105421 its reverse (1245011401), we get a palindrome (2286116822).

The spelling of 1041105421 in words is "one billion, forty-one million, one hundred five thousand, four hundred twenty-one".