1040055 has 8 divisors (see below), whose sum is σ = 1664112. Its totient is φ = 554688.

The previous prime is 1040051. The next prime is 1040057. The reversal of 1040055 is 5500401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040055 - 2² = 1040051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 69337 = 1040055 / (1 + 0 + 4 + 0 + 0 + 5 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34654 + ... + 34683.

It is an arithmetic number, because the mean of its divisors is an integer number (208014).

2^1040055 is an apocalyptic number.

1040055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1040055 is a deficient number, since it is larger than the sum of its proper divisors (624057).

1040055 is an equidigital number, since it uses as much as digits as its factorization.

1040055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69345.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 1040055 is about 1019.8308683306. The cubic root of 1040055 is about 101.3177263687.

Adding to 1040055 its reverse (5500401), we get a palindrome (6540456).

It can be divided in two parts, 104005 and 5, that multiplied together give a palindrome (520025).

The spelling of 1040055 in words is "one million, forty thousand, fifty-five".