1055112105 has 16 divisors (see below), whose sum is σ = 1695248640. Its totient is φ = 560370048.

The previous prime is 1055112101. The next prime is 1055112119. The reversal of 1055112105 is 5012115501.

It is not a de Polignac number, because 1055112105 - 2² = 1055112101 is a prime.

It is a super-2 number, since 2×1055112105² = 2226523108235062050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1055112101) 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, 143572 + ... + 150741.

It is an arithmetic number, because the mean of its divisors is an integer number (105953040).

Almost surely, 2^1055112105 is an apocalyptic number.

1055112105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055112105 is a deficient number, since it is larger than the sum of its proper divisors (640136535).

1055112105 is a wasteful number, since it uses less digits than its factorization.

1055112105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294560.

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 1055112105 is about 32482.4892057244. The cubic root of 1055112105 is about 1018.0431870418.

Adding to 1055112105 its reverse (5012115501), we get a palindrome (6067227606).

The spelling of 1055112105 in words is "one billion, fifty-five million, one hundred twelve thousand, one hundred five".