1071320867 has 4 divisors (see below), whose sum is σ = 1094114976. Its totient is φ = 1048526760.

The previous prime is 1071320851. The next prime is 1071320881. The reversal of 1071320867 is 7680231701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7680231701 = 2237 ⋅3433273.

It is not a de Polignac number, because 1071320867 - 2⁴ = 1071320851 is a prime.

It is a super-2 number, since 2×1071320867² = 2295456800139263378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1071320827) by changing a digit.

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, 11396984 + ... + 11397077.

It is an arithmetic number, because the mean of its divisors is an integer number (273528744).

Almost surely, 2^1071320867 is an apocalyptic number.

1071320867 is a deficient number, since it is larger than the sum of its proper divisors (22794109).

1071320867 is an equidigital number, since it uses as much as digits as its factorization.

1071320867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22794108.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 1071320867 is about 32731.0382817289. The cubic root of 1071320867 is about 1023.2298193656.

The spelling of 1071320867 in words is "one billion, seventy-one million, three hundred twenty thousand, eight hundred sixty-seven".