1042044011 has 4 divisors (see below), whose sum is σ = 1048681392. Its totient is φ = 1035406632.

The previous prime is 1042044007. The next prime is 1042044023. The reversal of 1042044011 is 1104402401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1104402401 = 20929 ⋅52769.

It is a cyclic number.

It is not a de Polignac number, because 1042044011 - 2² = 1042044007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042044041) 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, 3318455 + ... + 3318768.

It is an arithmetic number, because the mean of its divisors is an integer number (262170348).

Almost surely, 2^1042044011 is an apocalyptic number.

1042044011 is a deficient number, since it is larger than the sum of its proper divisors (6637381).

1042044011 is an equidigital number, since it uses as much as digits as its factorization.

1042044011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6637380.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1042044011 is about 32280.7064823557. The cubic root of 1042044011 is about 1013.8227223226.

Adding to 1042044011 its reverse (1104402401), we get a palindrome (2146446412).

The spelling of 1042044011 in words is "one billion, forty-two million, forty-four thousand, eleven".