1163210187 has 4 divisors (see below), whose sum is σ = 1550946920. Its totient is φ = 775473456.

The previous prime is 1163210173. The next prime is 1163210203. The reversal of 1163210187 is 7810123611.

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

It is not a de Polignac number, because 1163210187 - 2⁴ = 1163210171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163210137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193868362 + ... + 193868367.

It is an arithmetic number, because the mean of its divisors is an integer number (387736730).

Almost surely, 2^1163210187 is an apocalyptic number.

1163210187 is a deficient number, since it is larger than the sum of its proper divisors (387736733).

1163210187 is an equidigital number, since it uses as much as digits as its factorization.

1163210187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387736732.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1163210187 is about 34105.8673397995. The cubic root of 1163210187 is about 1051.6859346108.

Adding to 1163210187 its reverse (7810123611), we get a palindrome (8973333798).

The spelling of 1163210187 in words is "one billion, one hundred sixty-three million, two hundred ten thousand, one hundred eighty-seven".