1234011043 has 4 divisors (see below), whose sum is σ = 1235409448. Its totient is φ = 1232612640.

The previous prime is 1234011007. The next prime is 1234011061. The reversal of 1234011043 is 3401104321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3401104321 = 11003 ⋅309107.

It is a cyclic number.

It is not a de Polignac number, because 1234011043 - 2²⁵ = 1200456611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1234011043.

It is not an unprimeable number, because it can be changed into a prime (1234011083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697878 + ... + 699643.

It is an arithmetic number, because the mean of its divisors is an integer number (308852362).

Almost surely, 2^1234011043 is an apocalyptic number.

1234011043 is a deficient number, since it is larger than the sum of its proper divisors (1398405).

1234011043 is an equidigital number, since it uses as much as digits as its factorization.

1234011043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398404.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1234011043 is about 35128.4933209496. The cubic root of 1234011043 is about 1072.6046664242.

Adding to 1234011043 its reverse (3401104321), we get a palindrome (4635115364).

The spelling of 1234011043 in words is "one billion, two hundred thirty-four million, eleven thousand, forty-three".