1150205 has 16 divisors (see below), whose sum is σ = 1607040. Its totient is φ = 773952.

The previous prime is 1150199. The next prime is 1150211. The reversal of 1150205 is 5020511.

1150205 = 164² + 165² + ... + 198².

It is an interprime number because it is at equal distance from previous prime (1150199) and next prime (1150211).

It is a cyclic number.

It is not a de Polignac number, because 1150205 - 2⁶ = 1150141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1150205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1787 + ... + 2343.

It is an arithmetic number, because the mean of its divisors is an integer number (100440).

2^1150205 is an apocalyptic number.

It is an amenable number.

1150205 is a deficient number, since it is larger than the sum of its proper divisors (456835).

1150205 is an equidigital number, since it uses as much as digits as its factorization.

1150205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 1150205 is about 1072.4761069600. The cubic root of 1150205 is about 104.7751803490.

Adding to 1150205 its reverse (5020511), we get a palindrome (6170716).

It can be divided in two parts, 11 and 50205, that multiplied together give a palindrome (552255).

The spelling of 1150205 in words is "one million, one hundred fifty thousand, two hundred five".