1042442011 has 12 divisors (see below), whose sum is σ = 1184830752. Its totient is φ = 911605104.

The previous prime is 1042442003. The next prime is 1042442047. The reversal of 1042442011 is 1102442401.

It is not a de Polignac number, because 1042442011 - 2³ = 1042442003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 1042442011.

It is not an unprimeable number, because it can be changed into a prime (1042442081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106371 + ... + 115756.

It is an arithmetic number, because the mean of its divisors is an integer number (98735896).

Almost surely, 2^1042442011 is an apocalyptic number.

1042442011 is a deficient number, since it is larger than the sum of its proper divisors (142388741).

1042442011 is a wasteful number, since it uses less digits than its factorization.

1042442011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222178 (or 222159 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1042442011 is about 32286.8705668419. The cubic root of 1042442011 is about 1013.9517795981.

Adding to 1042442011 its reverse (1102442401), we get a palindrome (2144884412).

The spelling of 1042442011 in words is "one billion, forty-two million, four hundred forty-two thousand, eleven".