1122012043 has 2 divisors, whose sum is σ = 1122012044. Its totient is φ = 1122012042.

The previous prime is 1122012037. The next prime is 1122012061. The reversal of 1122012043 is 3402102211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122012043 - 2⁹ = 1122011531 is a prime.

It is a super-2 number, since 2×1122012043² = 2517822049274067698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1122013043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561006021 + 561006022.

It is an arithmetic number, because the mean of its divisors is an integer number (561006022).

Almost surely, 2^1122012043 is an apocalyptic number.

1122012043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122012043 is an equidigital number, since it uses as much as digits as its factorization.

1122012043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1122012043 is about 33496.4482146988. The cubic root of 1122012043 is about 1039.1203246225.

Adding to 1122012043 its reverse (3402102211), we get a palindrome (4524114254).

It can be divided in two parts, 112201 and 2043, that added together give a square (114244 = 338²).

The spelling of 1122012043 in words is "one billion, one hundred twenty-two million, twelve thousand, forty-three".