1112112123 has 24 divisors (see below), whose sum is σ = 1633045248. Its totient is φ = 671833008.

The previous prime is 1112112107. The next prime is 1112112179. The reversal of 1112112123 is 3212112111.

It is not a de Polignac number, because 1112112123 - 2⁴ = 1112112107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112112223) 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, 2586 + ... + 47232.

It is an arithmetic number, because the mean of its divisors is an integer number (68043552).

Almost surely, 2^1112112123 is an apocalyptic number.

1112112123 is a deficient number, since it is larger than the sum of its proper divisors (520933125).

1112112123 is a wasteful number, since it uses less digits than its factorization.

1112112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44711 (or 44692 counting only the distinct ones).

The product of its digits is 24, while the sum is 15.

The square root of 1112112123 is about 33348.3451313555. The cubic root of 1112112123 is about 1036.0551129603.

Adding to 1112112123 its reverse (3212112111), we get a palindrome (4324224234).

The spelling of 1112112123 in words is "one billion, one hundred twelve million, one hundred twelve thousand, one hundred twenty-three".