1072104685 has 4 divisors (see below), whose sum is σ = 1286525628. Its totient is φ = 857683744.

The previous prime is 1072104673. The next prime is 1072104703. The reversal of 1072104685 is 5864012701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5864012701 = 69427 ⋅84463.

It can be written as a sum of positive squares in 2 ways, for example, as 229886244 + 842218441 = 15162^2 + 29021^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072104685 - 2⁷ = 1072104557 is a prime.

It is a super-2 number, since 2×1072104685² = 2298816911197898450, 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 1072104685.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107210464 + ... + 107210473.

It is an arithmetic number, because the mean of its divisors is an integer number (321631407).

Almost surely, 2^1072104685 is an apocalyptic number.

It is an amenable number.

1072104685 is a deficient number, since it is larger than the sum of its proper divisors (214420943).

1072104685 is an equidigital number, since it uses as much as digits as its factorization.

1072104685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214420942.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1072104685 is about 32743.0097119981. The cubic root of 1072104685 is about 1023.4793028016.

The spelling of 1072104685 in words is "one billion, seventy-two million, one hundred four thousand, six hundred eighty-five".