1165015 has 8 divisors (see below), whose sum is σ = 1432368. Its totient is φ = 909120.

The previous prime is 1165001. The next prime is 1165037. The reversal of 1165015 is 5105611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1165015 - 2⁹ = 1164503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1164983 and 1165001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2637 + ... + 3046.

It is an arithmetic number, because the mean of its divisors is an integer number (179046).

2^1165015 is an apocalyptic number.

1165015 is a deficient number, since it is larger than the sum of its proper divisors (267353).

1165015 is an equidigital number, since it uses as much as digits as its factorization.

1165015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1165015 is about 1079.3586058396. The cubic root of 1165015 is about 105.2229578293. Note that the first 3 decimals are identical.

The spelling of 1165015 in words is "one million, one hundred sixty-five thousand, fifteen".