1072331243 has 2 divisors, whose sum is σ = 1072331244. Its totient is φ = 1072331242.

The previous prime is 1072331233. The next prime is 1072331251. The reversal of 1072331243 is 3421332701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1072331243 - 2²⁸ = 803895787 is a prime.

It is a super-2 number, since 2×1072331243² = 2299788589427850098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1072331233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536165621 + 536165622.

It is an arithmetic number, because the mean of its divisors is an integer number (536165622).

Almost surely, 2^1072331243 is an apocalyptic number.

1072331243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072331243 is an equidigital number, since it uses as much as digits as its factorization.

1072331243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 1072331243 is about 32746.4691684462. The cubic root of 1072331243 is about 1023.5513918726.

Adding to 1072331243 its reverse (3421332701), we get a palindrome (4493663944).

The spelling of 1072331243 in words is "one billion, seventy-two million, three hundred thirty-one thousand, two hundred forty-three".