1019055 has 16 divisors (see below), whose sum is σ = 1671264. Its totient is φ = 529920.

The previous prime is 1019033. The next prime is 1019059. The reversal of 1019055 is 5509101.

It is a happy number.

It is not a de Polignac number, because 1019055 - 2⁵ = 1019023 is a prime.

1019055 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214 + ... + 1443.

It is an arithmetic number, because the mean of its divisors is an integer number (104454).

2^1019055 is an apocalyptic number.

1019055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1019055 is a deficient number, since it is larger than the sum of its proper divisors (652209).

1019055 is a wasteful number, since it uses less digits than its factorization.

1019055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 1019055 is about 1009.4825407108. The cubic root of 1019055 is about 100.6311744729.

The spelling of 1019055 in words is "one million, nineteen thousand, fifty-five".