1042402041 has 10 divisors (see below), whose sum is σ = 1557168602. Its totient is φ = 694934640.

The previous prime is 1042402033. The next prime is 1042402043. The reversal of 1042402041 is 1402042401.

It can be written as a sum of positive squares in only one way, i.e., 1015059600 + 27342441 = 31860^2 + 5229^2 .

It is not a de Polignac number, because 1042402041 - 2³ = 1042402033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1042402043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6434500 + ... + 6434661.

Almost surely, 2^1042402041 is an apocalyptic number.

It is an amenable number.

1042402041 is a deficient number, since it is larger than the sum of its proper divisors (514766561).

1042402041 is an equidigital number, since it uses as much as digits as its factorization.

1042402041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12869173 (or 12869164 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1042402041 is about 32286.2515786519. The cubic root of 1042402041 is about 1013.9388202295.

Adding to 1042402041 its reverse (1402042401), we get a palindrome (2444444442).

The spelling of 1042402041 in words is "one billion, forty-two million, four hundred two thousand, forty-one".