1074418561 has 4 divisors (see below), whose sum is σ = 1077808212. Its totient is φ = 1071028912.

The previous prime is 1074418537. The next prime is 1074418567. The reversal of 1074418561 is 1658144701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1658144701 = 83 ⋅19977647.

It can be written as a sum of positive squares in 2 ways, for example, as 444408561 + 630010000 = 21081^2 + 25100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1074418561 - 2²¹ = 1072321409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1074418561.

It is not an unprimeable number, because it can be changed into a prime (1074418567) 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, 1694350 + ... + 1694983.

It is an arithmetic number, because the mean of its divisors is an integer number (269452053).

Almost surely, 2^1074418561 is an apocalyptic number.

It is an amenable number.

1074418561 is a deficient number, since it is larger than the sum of its proper divisors (3389651).

1074418561 is an equidigital number, since it uses as much as digits as its factorization.

1074418561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389650.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1074418561 is about 32778.3245605995. The cubic root of 1074418561 is about 1024.2150837187.

The spelling of 1074418561 in words is "one billion, seventy-four million, four hundred eighteen thousand, five hundred sixty-one".