1041786561 has 8 divisors (see below), whose sum is σ = 1402030944. Its totient is φ = 688033280.

The previous prime is 1041786553. The next prime is 1041786583. The reversal of 1041786561 is 1656871401.

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

It is a cyclic number.

It is not a de Polignac number, because 1041786561 - 2³ = 1041786553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1041786521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622400 + ... + 1623041.

It is an arithmetic number, because the mean of its divisors is an integer number (175253868).

Almost surely, 2^1041786561 is an apocalyptic number.

It is an amenable number.

1041786561 is a deficient number, since it is larger than the sum of its proper divisors (360244383).

1041786561 is a wasteful number, since it uses less digits than its factorization.

1041786561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245551.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1041786561 is about 32276.7185599776. The cubic root of 1041786561 is about 1013.7392229197.

The spelling of 1041786561 in words is "one billion, forty-one million, seven hundred eighty-six thousand, five hundred sixty-one".