1041326161 has 4 divisors (see below), whose sum is σ = 1041523812. Its totient is φ = 1041128512.

The previous prime is 1041326149. The next prime is 1041326183. The reversal of 1041326161 is 1616231401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1616231401 = 103 ⋅15691567.

It can be written as a sum of positive squares in 2 ways, for example, as 75359761 + 965966400 = 8681^2 + 31080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1041326161 - 2⁵ = 1041326129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1041326101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90700 + ... + 101533.

It is an arithmetic number, because the mean of its divisors is an integer number (260380953).

Almost surely, 2^1041326161 is an apocalyptic number.

It is an amenable number.

1041326161 is a deficient number, since it is larger than the sum of its proper divisors (197651).

1041326161 is an equidigital number, since it uses as much as digits as its factorization.

1041326161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197650.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1041326161 is about 32269.5856961319. The cubic root of 1041326161 is about 1013.5898659316.

Adding to 1041326161 its reverse (1616231401), we get a palindrome (2657557562).

The spelling of 1041326161 in words is "one billion, forty-one million, three hundred twenty-six thousand, one hundred sixty-one".