1101235043 has 2 divisors, whose sum is σ = 1101235044. Its totient is φ = 1101235042.

The previous prime is 1101235021. The next prime is 1101235073. The reversal of 1101235043 is 3405321011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101235043 - 2¹⁴ = 1101218659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101235073) 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, 550617521 + 550617522.

It is an arithmetic number, because the mean of its divisors is an integer number (550617522).

Almost surely, 2^1101235043 is an apocalyptic number.

1101235043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101235043 is an equidigital number, since it uses as much as digits as its factorization.

1101235043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1101235043 is about 33184.8616540735. The cubic root of 1101235043 is about 1032.6663074218. Note that the first 3 decimals are identical.

Adding to 1101235043 its reverse (3405321011), we get a palindrome (4506556054).

The spelling of 1101235043 in words is "one billion, one hundred one million, two hundred thirty-five thousand, forty-three".