1071604217 has 4 divisors (see below), whose sum is σ = 1078178640. Its totient is φ = 1065029796.

The previous prime is 1071604211. The next prime is 1071604241. The reversal of 1071604217 is 7124061701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1071604217 - 2¹⁰ = 1071603193 is a prime.

It is a super-2 number, since 2×1071604217² = 2296671195784366178, which contains 22 as substring.

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 1071604217.

It is not an unprimeable number, because it can be changed into a prime (1071604211) 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, 3286967 + ... + 3287292.

It is an arithmetic number, because the mean of its divisors is an integer number (269544660).

Almost surely, 2^1071604217 is an apocalyptic number.

It is an amenable number.

1071604217 is a deficient number, since it is larger than the sum of its proper divisors (6574423).

1071604217 is an equidigital number, since it uses as much as digits as its factorization.

1071604217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6574422.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 1071604217 is about 32735.3664558685. The cubic root of 1071604217 is about 1023.3200216013.

Adding to 1071604217 its reverse (7124061701), we get a palindrome (8195665918).

The spelling of 1071604217 in words is "one billion, seventy-one million, six hundred four thousand, two hundred seventeen".