1165413122 has 4 divisors (see below), whose sum is σ = 1748119686. Its totient is φ = 582706560.

The previous prime is 1165413107. The next prime is 1165413143. The reversal of 1165413122 is 2213145611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2213145611 = 30707 ⋅72073.

It can be written as a sum of positive squares in only one way, i.e., 1060739761 + 104673361 = 32569^2 + 10231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1165413091 and 1165413100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 291353279 + ... + 291353282.

Almost surely, 2^1165413122 is an apocalyptic number.

1165413122 is a deficient number, since it is larger than the sum of its proper divisors (582706564).

1165413122 is an equidigital number, since it uses as much as digits as its factorization.

1165413122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582706563.

The product of its digits is 1440, while the sum is 26.

The square root of 1165413122 is about 34138.1476064534. The cubic root of 1165413122 is about 1052.3494245428.

Adding to 1165413122 its reverse (2213145611), we get a palindrome (3378558733).

The spelling of 1165413122 in words is "one billion, one hundred sixty-five million, four hundred thirteen thousand, one hundred twenty-two".