1150505 has 4 divisors (see below), whose sum is σ = 1380612. Its totient is φ = 920400.

The previous prime is 1150489. The next prime is 1150511. The reversal of 1150505 is 5050511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 326041 + 824464 = 571^2 + 908^2 .

It is not a de Polignac number, because 1150505 - 2⁴ = 1150489 is a prime.

It is a Duffinian number.

1150505 is a modest number, since divided by 505 gives 115 as remainder.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115046 + ... + 115055.

It is an arithmetic number, because the mean of its divisors is an integer number (345153).

2^1150505 is an apocalyptic number.

It is an amenable number.

1150505 is a deficient number, since it is larger than the sum of its proper divisors (230107).

1150505 is an equidigital number, since it uses as much as digits as its factorization.

1150505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230106.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 1150505 is about 1072.6159610970. The cubic root of 1150505 is about 104.7842888185.

It can be divided in two parts, 11 and 50505, that multiplied together give a palindrome (555555).

The spelling of 1150505 in words is "one million, one hundred fifty thousand, five hundred five".