1163420726 has 16 divisors (see below), whose sum is σ = 1887447744. Its totient is φ = 534656064.

The previous prime is 1163420701. The next prime is 1163420743. The reversal of 1163420726 is 6270243611.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1163420692 and 1163420701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89966 + ... + 102081.

It is an arithmetic number, because the mean of its divisors is an integer number (117965484).

Almost surely, 2^1163420726 is an apocalyptic number.

1163420726 is a deficient number, since it is larger than the sum of its proper divisors (724027018).

1163420726 is a wasteful number, since it uses less digits than its factorization.

1163420726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192295.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1163420726 is about 34108.9537511780. The cubic root of 1163420726 is about 1051.7493818851.

The spelling of 1163420726 in words is "one billion, one hundred sixty-three million, four hundred twenty thousand, seven hundred twenty-six".