1042303081 has 2 divisors, whose sum is σ = 1042303082. Its totient is φ = 1042303080.

The previous prime is 1042303057. The next prime is 1042303091. The reversal of 1042303081 is 1803032401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 895505625 + 146797456 = 29925^2 + 12116^2 .

It is an emirp because it is prime and its reverse (1803032401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042303081 - 2⁷ = 1042302953 is a prime.

It is a super-2 number, since 2×1042303081² = 2172791425324185122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1042303091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521151540 + 521151541.

It is an arithmetic number, because the mean of its divisors is an integer number (521151541).

Almost surely, 2^1042303081 is an apocalyptic number.

It is an amenable number.

1042303081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042303081 is an equidigital number, since it uses as much as digits as its factorization.

1042303081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1042303081 is about 32284.7190014099. The cubic root of 1042303081 is about 1013.9067332621.

Adding to 1042303081 its reverse (1803032401), we get a palindrome (2845335482).

The spelling of 1042303081 in words is "one billion, forty-two million, three hundred three thousand, eighty-one".