1042011043 has 4 divisors (see below), whose sum is σ = 1045884960. Its totient is φ = 1038137128.

The previous prime is 1042011031. The next prime is 1042011049. The reversal of 1042011043 is 3401102401.

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 1042011043 - 2¹³ = 1042002851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042011049) 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, 1936555 + ... + 1937092.

It is an arithmetic number, because the mean of its divisors is an integer number (261471240).

Almost surely, 2^1042011043 is an apocalyptic number.

1042011043 is a deficient number, since it is larger than the sum of its proper divisors (3873917).

1042011043 is an equidigital number, since it uses as much as digits as its factorization.

1042011043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873916.

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

The square root of 1042011043 is about 32280.1958327393. The cubic root of 1042011043 is about 1013.8120304965.

Adding to 1042011043 its reverse (3401102401), we get a palindrome (4443113444).

The spelling of 1042011043 in words is "one billion, forty-two million, eleven thousand, forty-three".