1150555 has 16 divisors (see below), whose sum is σ = 1603584. Its totient is φ = 776160.

The previous prime is 1150547. The next prime is 1150561. The reversal of 1150555 is 5550511.

It is not a de Polignac number, because 1150555 - 2³ = 1150547 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 2254 + ... + 2716.

It is an arithmetic number, because the mean of its divisors is an integer number (100224).

2^1150555 is an apocalyptic number.

1150555 is a deficient number, since it is larger than the sum of its proper divisors (453029).

1150555 is an equidigital number, since it uses as much as digits as its factorization.

1150555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 1150555 is about 1072.6392683470. The cubic root of 1150555 is about 104.7858067429.

The spelling of 1150555 in words is "one million, one hundred fifty thousand, five hundred fifty-five".