1043054866 has 12 divisors (see below), whose sum is σ = 1820024478. Its totient is φ = 447023472.

The previous prime is 1043054851. The next prime is 1043054869. The reversal of 1043054866 is 6684503401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1038192841 + 4862025 = 32221^2 + 2205^2 .

It is not an unprimeable number, because it can be changed into a prime (1043054869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5321611 + ... + 5321806.

Almost surely, 2^1043054866 is an apocalyptic number.

1043054866 is a deficient number, since it is larger than the sum of its proper divisors (776969612).

1043054866 is a wasteful number, since it uses less digits than its factorization.

1043054866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10643433 (or 10643426 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1043054866 is about 32296.3599496909. The cubic root of 1043054866 is about 1014.1504425055.

The spelling of 1043054866 in words is "one billion, forty-three million, fifty-four thousand, eight hundred sixty-six".