1041211565 has 8 divisors (see below), whose sum is σ = 1250966040. Its totient is φ = 831961152.

The previous prime is 1041211537. The next prime is 1041211573. The reversal of 1041211565 is 5651121401.

It can be written as a sum of positive squares in 4 ways, for example, as 457360996 + 583850569 = 21386^2 + 24163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1041211565 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121454 + ... + 129743.

It is an arithmetic number, because the mean of its divisors is an integer number (156370755).

Almost surely, 2^1041211565 is an apocalyptic number.

It is an amenable number.

1041211565 is a deficient number, since it is larger than the sum of its proper divisors (209754475).

1041211565 is an equidigital number, since it uses as much as digits as its factorization.

1041211565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252031.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1041211565 is about 32267.8100434473. The cubic root of 1041211565 is about 1013.5526833435.

Adding to 1041211565 its reverse (5651121401), we get a palindrome (6692332966).

The spelling of 1041211565 in words is "one billion, forty-one million, two hundred eleven thousand, five hundred sixty-five".