1055123055 has 24 divisors (see below), whose sum is σ = 2090149152. Its totient is φ = 482341824.

The previous prime is 1055123033. The next prime is 1055123057. The reversal of 1055123055 is 5503215501.

It is not a de Polignac number, because 1055123055 - 2⁵ = 1055123023 is a prime.

It is a super-2 number, since 2×1055123055² = 2226569322385066050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055123057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1674484 + ... + 1675113.

It is an arithmetic number, because the mean of its divisors is an integer number (87089548).

Almost surely, 2^1055123055 is an apocalyptic number.

1055123055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1055123055 is a deficient number, since it is larger than the sum of its proper divisors (1035026097).

1055123055 is a wasteful number, since it uses less digits than its factorization.

1055123055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349615 (or 3349612 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 1055123055 is about 32482.6577576405. The cubic root of 1055123055 is about 1018.0467087954.

Adding to 1055123055 its reverse (5503215501), we get a palindrome (6558338556).

The spelling of 1055123055 in words is "one billion, fifty-five million, one hundred twenty-three thousand, fifty-five".