1072237043 has 4 divisors (see below), whose sum is σ = 1098389208. Its totient is φ = 1046084880.

The previous prime is 1072237009. The next prime is 1072237079. The reversal of 1072237043 is 3407322701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1072237043 - 2⁸ = 1072236787 is a prime.

It is a super-2 number, since 2×1072237043² = 2299384552762767698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1072236997 and 1072237015.

It is not an unprimeable number, because it can be changed into a prime (1072207043) 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, 13076021 + ... + 13076102.

It is an arithmetic number, because the mean of its divisors is an integer number (274597302).

Almost surely, 2^1072237043 is an apocalyptic number.

1072237043 is a deficient number, since it is larger than the sum of its proper divisors (26152165).

1072237043 is an equidigital number, since it uses as much as digits as its factorization.

1072237043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26152164.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 1072237043 is about 32745.0308138502. The cubic root of 1072237043 is about 1023.5214193664.

Adding to 1072237043 its reverse (3407322701), we get a palindrome (4479559744).

The spelling of 1072237043 in words is "one billion, seventy-two million, two hundred thirty-seven thousand, forty-three".