1159455 has 16 divisors (see below), whose sum is σ = 2024064. Its totient is φ = 562080.

The previous prime is 1159447. The next prime is 1159463. The reversal of 1159455 is 5549511.

It is an interprime number because it is at equal distance from previous prime (1159447) and next prime (1159463).

It is not a de Polignac number, because 1159455 - 2³ = 1159447 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 3349 + ... + 3678.

It is an arithmetic number, because the mean of its divisors is an integer number (126504).

2^1159455 is an apocalyptic number.

1159455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1159455 is a deficient number, since it is larger than the sum of its proper divisors (864609).

1159455 is a wasteful number, since it uses less digits than its factorization.

1159455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7046.

The product of its digits is 4500, while the sum is 30.

The square root of 1159455 is about 1076.7799218039. The cubic root of 1159455 is about 105.0552996688.

The spelling of 1159455 in words is "one million, one hundred fifty-nine thousand, four hundred fifty-five".