112821252 has 24 divisors (see below), whose sum is σ = 272328000. Its totient is φ = 36310176.

The previous prime is 112821239. The next prime is 112821253. The reversal of 112821252 is 252128211.

It is not an unprimeable number, because it can be changed into a prime (112821253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161752 + ... + 162447.

It is an arithmetic number, because the mean of its divisors is an integer number (11347000).

Almost surely, 2^112821252 is an apocalyptic number.

112821252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112821252 is an abundant number, since it is smaller than the sum of its proper divisors (159506748).

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

112821252 is a wasteful number, since it uses less digits than its factorization.

112821252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324235 (or 324233 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 112821252 is about 10621.7348865428. The cubic root of 112821252 is about 483.2037599027.

Adding to 112821252 its reverse (252128211), we get a palindrome (364949463).

The spelling of 112821252 in words is "one hundred twelve million, eight hundred twenty-one thousand, two hundred fifty-two".