1154522112 has 132 divisors (see below), whose sum is σ = 3159470808. Its totient is φ = 374784000.

The previous prime is 1154522111. The next prime is 1154522113. The reversal of 1154522112 is 2112254511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1154522111) and next prime (1154522113).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154522111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11430862 + ... + 11430962.

Almost surely, 2^1154522112 is an apocalyptic number.

1154522112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1154522112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579735404).

1154522112 is an abundant number, since it is smaller than the sum of its proper divisors (2004948696).

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

1154522112 is an equidigital number, since it uses as much as digits as its factorization.

1154522112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 167 counting only the distinct ones).

The product of its digits is 800, while the sum is 24.

The square root of 1154522112 is about 33978.2594021530. The cubic root of 1154522112 is about 1049.0610235968.

Adding to 1154522112 its reverse (2112254511), we get a palindrome (3266776623).

The spelling of 1154522112 in words is "one billion, one hundred fifty-four million, five hundred twenty-two thousand, one hundred twelve".