1230111055 has 16 divisors (see below), whose sum is σ = 1514394144. Its totient is φ = 958884480.

The previous prime is 1230111037. The next prime is 1230111061. The reversal of 1230111055 is 5501110321.

It is not a de Polignac number, because 1230111055 - 2⁵ = 1230111023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13789 + ... + 51481.

It is an arithmetic number, because the mean of its divisors is an integer number (94649634).

Almost surely, 2^1230111055 is an apocalyptic number.

1230111055 is a deficient number, since it is larger than the sum of its proper divisors (284283089).

1230111055 is a wasteful number, since it uses less digits than its factorization.

1230111055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37866.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1230111055 is about 35072.9390698869. The cubic root of 1230111055 is about 1071.4735150375.

Adding to 1230111055 its reverse (5501110321), we get a palindrome (6731221376).

The spelling of 1230111055 in words is "one billion, two hundred thirty million, one hundred eleven thousand, fifty-five".