1171324101 has 4 divisors (see below), whose sum is σ = 1561765472. Its totient is φ = 780882732.

The previous prime is 1171324081. The next prime is 1171324111. The reversal of 1171324101 is 1014231711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1014231711 = 3 ⋅338077237.

It is not a de Polignac number, because 1171324101 - 2⁹ = 1171323589 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 (1171324111) 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, 195220681 + ... + 195220686.

It is an arithmetic number, because the mean of its divisors is an integer number (390441368).

Almost surely, 2^1171324101 is an apocalyptic number.

It is an amenable number.

1171324101 is a deficient number, since it is larger than the sum of its proper divisors (390441371).

1171324101 is an equidigital number, since it uses as much as digits as its factorization.

1171324101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390441370.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 1171324101 is about 34224.6125032848. The cubic root of 1171324101 is about 1054.1255981904.

Adding to 1171324101 its reverse (1014231711), we get a palindrome (2185555812).

The spelling of 1171324101 in words is "one billion, one hundred seventy-one million, three hundred twenty-four thousand, one hundred one".