1071794405 has 18 divisors (see below), whose sum is σ = 1414768614. Its totient is φ = 779486840.

The previous prime is 1071794387. The next prime is 1071794417. The reversal of 1071794405 is 5044971701.

It can be written as a sum of positive squares in only one way, i.e., 857435524 + 214358881 = 29282^2 + 14641^2 .

It is not a de Polignac number, because 1071794405 - 2⁸ = 1071794149 is a prime.

It is a super-2 number, since 2×1071794405² = 2297486493178608050, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 97435850 + ... + 97435860.

Almost surely, 2^1071794405 is an apocalyptic number.

It is an amenable number.

1071794405 is a deficient number, since it is larger than the sum of its proper divisors (342974209).

1071794405 is an frugal number, since it uses more digits than its factorization.

1071794405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 16 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 1071794405 is about 32738.2712585744. The cubic root of 1071794405 is about 1023.3805575319.

Multiplying 1071794405 by its product of nonzero digits (35280), we get a square (37812906608400 = 6149220²).

The spelling of 1071794405 in words is "one billion, seventy-one million, seven hundred ninety-four thousand, four hundred five".