1004123055 has 16 divisors (see below), whose sum is σ = 1730181600. Its totient is φ = 494337408.

The previous prime is 1004123051. The next prime is 1004123059. The reversal of 1004123055 is 5503214001.

It is an interprime number because it is at equal distance from previous prime (1004123051) and next prime (1004123059).

It is not a de Polignac number, because 1004123055 - 2² = 1004123051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004123051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2574480 + ... + 2574869.

It is an arithmetic number, because the mean of its divisors is an integer number (108136350).

Almost surely, 2^1004123055 is an apocalyptic number.

1004123055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1004123055 is a deficient number, since it is larger than the sum of its proper divisors (726058545).

1004123055 is a wasteful number, since it uses less digits than its factorization.

1004123055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149370.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1004123055 is about 31687.9007666964. The cubic root of 1004123055 is about 1001.3724671389.

Adding to 1004123055 its reverse (5503214001), we get a palindrome (6507337056).

The spelling of 1004123055 in words is "one billion, four million, one hundred twenty-three thousand, fifty-five".