1042144081 has 48 divisors (see below), whose sum is σ = 1277821440. Its totient is φ = 845222400.

The previous prime is 1042144043. The next prime is 1042144097. The reversal of 1042144081 is 1804412401.

It is not a de Polignac number, because 1042144081 - 2¹¹ = 1042142033 is a prime.

It is a super-2 number, since 2×1042144081² = 2172128571126669122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042144031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3762115 + ... + 3762391.

It is an arithmetic number, because the mean of its divisors is an integer number (26621280).

Almost surely, 2^1042144081 is an apocalyptic number.

1042144081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1042144081 is a deficient number, since it is larger than the sum of its proper divisors (235677359).

1042144081 is a wasteful number, since it uses less digits than its factorization.

1042144081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1042144081 is about 32282.2564422006. The cubic root of 1042144081 is about 1013.8551745643.

Adding to 1042144081 its reverse (1804412401), we get a palindrome (2846556482).

The spelling of 1042144081 in words is "one billion, forty-two million, one hundred forty-four thousand, eighty-one".