1040105161 has 2 divisors, whose sum is σ = 1040105162. Its totient is φ = 1040105160.

The previous prime is 1040105107. The next prime is 1040105167. The reversal of 1040105161 is 1615010401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 678915136 + 361190025 = 26056^2 + 19005^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040105161 - 2⁹ = 1040104649 is a prime.

It is not a weakly prime, because it can be changed into another prime (1040105167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520052580 + 520052581.

It is an arithmetic number, because the mean of its divisors is an integer number (520052581).

Almost surely, 2^1040105161 is an apocalyptic number.

It is an amenable number.

1040105161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040105161 is an equidigital number, since it uses as much as digits as its factorization.

1040105161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1040105161 is about 32250.6614040705. The cubic root of 1040105161 is about 1013.1935516616.

Adding to 1040105161 its reverse (1615010401), we get a palindrome (2655115562).

The spelling of 1040105161 in words is "one billion, forty million, one hundred five thousand, one hundred sixty-one".