1043140817 has 8 divisors (see below), whose sum is σ = 1087352640. Its totient is φ = 999478480.

The previous prime is 1043140801. The next prime is 1043140823. The reversal of 1043140817 is 7180413401.

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 1043140817 - 2⁴ = 1043140801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 1043140817.

It is not an unprimeable number, because it can be changed into a prime (1043140837) 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, 133493 + ... + 141090.

It is an arithmetic number, because the mean of its divisors is an integer number (135919080).

Almost surely, 2^1043140817 is an apocalyptic number.

It is an amenable number.

1043140817 is a deficient number, since it is larger than the sum of its proper divisors (44211823).

1043140817 is a wasteful number, since it uses less digits than its factorization.

1043140817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274743.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1043140817 is about 32297.6905830742. The cubic root of 1043140817 is about 1014.1782981353.

The spelling of 1043140817 in words is "one billion, forty-three million, one hundred forty thousand, eight hundred seventeen".