1112157234 has 48 divisors (see below), whose sum is σ = 2429018592. Its totient is φ = 367758144.

The previous prime is 1112157223. The next prime is 1112157239. The reversal of 1112157234 is 4327512111.

It is a junction number, because it is equal to n+sod(n) for n = 1112157198 and 1112157207.

It is not an unprimeable number, because it can be changed into a prime (1112157239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1729317 + ... + 1729959.

It is an arithmetic number, because the mean of its divisors is an integer number (50604554).

Almost surely, 2^1112157234 is an apocalyptic number.

1112157234 is an abundant number, since it is smaller than the sum of its proper divisors (1316861358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112157234 is a wasteful number, since it uses less digits than its factorization.

1112157234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1268 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 1112157234 is about 33349.0214848952. The cubic root of 1112157234 is about 1036.0691213950.

Adding to 1112157234 its reverse (4327512111), we get a palindrome (5439669345).

The spelling of 1112157234 in words is "one billion, one hundred twelve million, one hundred fifty-seven thousand, two hundred thirty-four".