112521203 has 4 divisors (see below), whose sum is σ = 112599168. Its totient is φ = 112443240.

The previous prime is 112521197. The next prime is 112521209. The reversal of 112521203 is 302125211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302125211 = 167 ⋅1809133.

It is an interprime number because it is at equal distance from previous prime (112521197) and next prime (112521209).

It is not a de Polignac number, because 112521203 - 2¹⁰ = 112520179 is a prime.

It is a super-2 number, since 2×112521203² = 25322042249134418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112521209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36776 + ... + 39717.

It is an arithmetic number, because the mean of its divisors is an integer number (28149792).

Almost surely, 2^112521203 is an apocalyptic number.

112521203 is a deficient number, since it is larger than the sum of its proper divisors (77965).

112521203 is an equidigital number, since it uses as much as digits as its factorization.

112521203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77964.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 112521203 is about 10607.6011897130. The cubic root of 112521203 is about 482.7750182072.

Adding to 112521203 its reverse (302125211), we get a palindrome (414646414).

The spelling of 112521203 in words is "one hundred twelve million, five hundred twenty-one thousand, two hundred three".