1162873213 has 4 divisors (see below), whose sum is σ = 1162998108. Its totient is φ = 1162748320.

The previous prime is 1162873181. The next prime is 1162873223. The reversal of 1162873213 is 3123782611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 342509049 + 820364164 = 18507^2 + 28642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162873213 - 2⁵ = 1162873181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162873223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 47248 + ... + 67513.

It is an arithmetic number, because the mean of its divisors is an integer number (290749527).

Almost surely, 2^1162873213 is an apocalyptic number.

It is an amenable number.

1162873213 is a deficient number, since it is larger than the sum of its proper divisors (124895).

1162873213 is a wasteful number, since it uses less digits than its factorization.

1162873213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124894.

The product of its digits is 12096, while the sum is 34.

The square root of 1162873213 is about 34100.9268642364. The cubic root of 1162873213 is about 1051.5843694058.

The spelling of 1162873213 in words is "one billion, one hundred sixty-two million, eight hundred seventy-three thousand, two hundred thirteen".