1150015 has 4 divisors (see below), whose sum is σ = 1380024. Its totient is φ = 920008.

The previous prime is 1149991. The next prime is 1150027. The reversal of 1150015 is 5100511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5100511 = 13 ⋅392347.

It is a cyclic number.

It is not a de Polignac number, because 1150015 - 2⁵ = 1149983 is a prime.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1149977 and 1150004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114997 + ... + 115006.

It is an arithmetic number, because the mean of its divisors is an integer number (345006).

2^1150015 is an apocalyptic number.

1150015 is a deficient number, since it is larger than the sum of its proper divisors (230009).

1150015 is an equidigital number, since it uses as much as digits as its factorization.

1150015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230008.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 1150015 is about 1072.3875232396. The cubic root of 1150015 is about 104.7694108324.

Adding to 1150015 its reverse (5100511), we get a palindrome (6250526).

The spelling of 1150015 in words is "one million, one hundred fifty thousand, fifteen".