1165474343 has 4 divisors (see below), whose sum is σ = 1271426568. Its totient is φ = 1059522120.

The previous prime is 1165474337. The next prime is 1165474351. The reversal of 1165474343 is 3434745611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3434745611 = 11 ⋅312249601.

It is a cyclic number.

It is not a de Polignac number, because 1165474343 - 2⁴ = 1165474327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1165474297 and 1165474306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165474943) 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, 52976096 + ... + 52976117.

It is an arithmetic number, because the mean of its divisors is an integer number (317856642).

Almost surely, 2^1165474343 is an apocalyptic number.

1165474343 is a deficient number, since it is larger than the sum of its proper divisors (105952225).

1165474343 is a wasteful number, since it uses less digits than its factorization.

1165474343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105952224.

The product of its digits is 120960, while the sum is 38.

The square root of 1165474343 is about 34139.0442602015. The cubic root of 1165474343 is about 1052.3678514150.

The spelling of 1165474343 in words is "one billion, one hundred sixty-five million, four hundred seventy-four thousand, three hundred forty-three".