1165373 has 4 divisors (see below), whose sum is σ = 1271328. Its totient is φ = 1059420.

The previous prime is 1165363. The next prime is 1165379. The reversal of 1165373 is 3735611.

It is a happy number.

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: 3735611 = 11 ⋅339601.

It is a cyclic number.

It is not a de Polignac number, because 1165373 - 2⁴ = 1165357 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165379) 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, 52961 + ... + 52982.

It is an arithmetic number, because the mean of its divisors is an integer number (317832).

2^1165373 is an apocalyptic number.

It is an amenable number.

1165373 is a deficient number, since it is larger than the sum of its proper divisors (105955).

1165373 is a wasteful number, since it uses less digits than its factorization.

1165373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105954.

The product of its digits is 1890, while the sum is 26.

The square root of 1165373 is about 1079.5244323312. The cubic root of 1165373 is about 105.2337347896.

The spelling of 1165373 in words is "one million, one hundred sixty-five thousand, three hundred seventy-three".