1040152181 has 2 divisors, whose sum is σ = 1040152182. Its totient is φ = 1040152180.

The previous prime is 1040152133. The next prime is 1040152213. The reversal of 1040152181 is 1812510401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1023424081 + 16728100 = 31991^2 + 4090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040152181 - 2⁶ = 1040152117 is a prime.

It is a super-2 number, since 2×1040152181² = 2163833119278113522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040152381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520076090 + 520076091.

It is an arithmetic number, because the mean of its divisors is an integer number (520076091).

Almost surely, 2^1040152181 is an apocalyptic number.

It is an amenable number.

1040152181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040152181 is an equidigital number, since it uses as much as digits as its factorization.

1040152181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 1040152181 is about 32251.3903731297. The cubic root of 1040152181 is about 1013.2088192341.

Adding to 1040152181 its reverse (1812510401), we get a palindrome (2852662582).

The spelling of 1040152181 in words is "one billion, forty million, one hundred fifty-two thousand, one hundred eighty-one".