1042211243 has 2 divisors, whose sum is σ = 1042211244. Its totient is φ = 1042211242.

The previous prime is 1042211171. The next prime is 1042211273. The reversal of 1042211243 is 3421122401.

It is a strong prime.

It is an emirp because it is prime and its reverse (3421122401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042211243 - 2¹⁰ = 1042210219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042211273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521105621 + 521105622.

It is an arithmetic number, because the mean of its divisors is an integer number (521105622).

Almost surely, 2^1042211243 is an apocalyptic number.

1042211243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042211243 is an equidigital number, since it uses as much as digits as its factorization.

1042211243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1042211243 is about 32283.2966563206. The cubic root of 1042211243 is about 1013.8769537276.

Adding to 1042211243 its reverse (3421122401), we get a palindrome (4463333644).

The spelling of 1042211243 in words is "one billion, forty-two million, two hundred eleven thousand, two hundred forty-three".