1171413187 has 8 divisors (see below), whose sum is σ = 1348390400. Its totient is φ = 996844104.

The previous prime is 1171413149. The next prime is 1171413223. The reversal of 1171413187 is 7813141711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1171413187 - 2¹¹ = 1171411139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1171413787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600987 + ... + 602932.

It is an arithmetic number, because the mean of its divisors is an integer number (168548800).

Almost surely, 2^1171413187 is an apocalyptic number.

1171413187 is a deficient number, since it is larger than the sum of its proper divisors (176977213).

1171413187 is a wasteful number, since it uses less digits than its factorization.

1171413187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204065.

The product of its digits is 4704, while the sum is 34.

The square root of 1171413187 is about 34225.9139688044. The cubic root of 1171413187 is about 1054.1523216373.

Adding to 1171413187 its reverse (7813141711), we get a palindrome (8984554898).

The spelling of 1171413187 in words is "one billion, one hundred seventy-one million, four hundred thirteen thousand, one hundred eighty-seven".