1072814243 has 4 divisors (see below), whose sum is σ = 1074118608. Its totient is φ = 1071509880.

The previous prime is 1072814221. The next prime is 1072814261. The reversal of 1072814243 is 3424182701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3424182701 = 15077 ⋅227113.

It is a cyclic number.

It is not a de Polignac number, because 1072814243 - 2¹⁸ = 1072552099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072814273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650948 + ... + 652593.

It is an arithmetic number, because the mean of its divisors is an integer number (268529652).

Almost surely, 2^1072814243 is an apocalyptic number.

1072814243 is a deficient number, since it is larger than the sum of its proper divisors (1304365).

1072814243 is an equidigital number, since it uses as much as digits as its factorization.

1072814243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304364.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1072814243 is about 32753.8431790836. The cubic root of 1072814243 is about 1023.7050449900.

Adding to 1072814243 its reverse (3424182701), we get a palindrome (4496996944).

The spelling of 1072814243 in words is "one billion, seventy-two million, eight hundred fourteen thousand, two hundred forty-three".