1042661041 has 4 divisors (see below), whose sum is σ = 1078614900. Its totient is φ = 1006707184.

The previous prime is 1042661029. The next prime is 1042661071. The reversal of 1042661041 is 1401662401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 615040000 + 427621041 = 24800^2 + 20679^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042661041 - 2⁹ = 1042660529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042660997 and 1042661015.

It is not an unprimeable number, because it can be changed into a prime (1042661071) 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, 17976886 + ... + 17976943.

It is an arithmetic number, because the mean of its divisors is an integer number (269653725).

Almost surely, 2^1042661041 is an apocalyptic number.

It is an amenable number.

1042661041 is a deficient number, since it is larger than the sum of its proper divisors (35953859).

1042661041 is an equidigital number, since it uses as much as digits as its factorization.

1042661041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35953858.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1042661041 is about 32290.2623247319. The cubic root of 1042661041 is about 1014.0227892413.

The spelling of 1042661041 in words is "one billion, forty-two million, six hundred sixty-one thousand, forty-one".