1179868141 has 4 divisors (see below), whose sum is σ = 1180106784. Its totient is φ = 1179629500.

The previous prime is 1179868127. The next prime is 1179868171. The reversal of 1179868141 is 1418689711.

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: 1418689711 = 409 ⋅3468679.

It is a cyclic number.

It is not a de Polignac number, because 1179868141 - 2¹³ = 1179859949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1179868091 and 1179868100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1179868171) 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, 111745 + ... + 121846.

It is an arithmetic number, because the mean of its divisors is an integer number (295026696).

Almost surely, 2^1179868141 is an apocalyptic number.

It is an amenable number.

1179868141 is a deficient number, since it is larger than the sum of its proper divisors (238643).

1179868141 is an equidigital number, since it uses as much as digits as its factorization.

1179868141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238642.

The product of its digits is 96768, while the sum is 46.

The square root of 1179868141 is about 34349.2087390670. The cubic root of 1179868141 is about 1056.6824426963.

The spelling of 1179868141 in words is "one billion, one hundred seventy-nine million, eight hundred sixty-eight thousand, one hundred forty-one".