1043142617 has 16 divisors (see below), whose sum is σ = 1201168320. Its totient is φ = 895924800.

The previous prime is 1043142613. The next prime is 1043142637. The reversal of 1043142617 is 7162413401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1043142617 - 2² = 1043142613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043142617.

It is not an unprimeable number, because it can be changed into a prime (1043142613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71267 + ... + 84647.

It is an arithmetic number, because the mean of its divisors is an integer number (75073020).

Almost surely, 2^1043142617 is an apocalyptic number.

It is an amenable number.

1043142617 is a deficient number, since it is larger than the sum of its proper divisors (158025703).

1043142617 is a wasteful number, since it uses less digits than its factorization.

1043142617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13784.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1043142617 is about 32297.7184488316. The cubic root of 1043142617 is about 1014.1788814761.

The spelling of 1043142617 in words is "one billion, forty-three million, one hundred forty-two thousand, six hundred seventeen".