112042521 has 20 divisors (see below), whose sum is σ = 167706000. Its totient is φ = 74546136.

The previous prime is 112042519. The next prime is 112042523. The reversal of 112042521 is 125240211.

It is an interprime number because it is at equal distance from previous prime (112042519) and next prime (112042523).

It is not a de Polignac number, because 112042521 - 2¹ = 112042519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112042494 and 112042503.

It is not an unprimeable number, because it can be changed into a prime (112042523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52330 + ... + 54428.

It is an arithmetic number, because the mean of its divisors is an integer number (8385300).

Almost surely, 2^112042521 is an apocalyptic number.

It is an amenable number.

112042521 is a deficient number, since it is larger than the sum of its proper divisors (55663479).

112042521 is an equidigital number, since it uses as much as digits as its factorization.

112042521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770 (or 2761 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 112042521 is about 10585.0139820408. The cubic root of 112042521 is about 482.0894461046.

Adding to 112042521 its reverse (125240211), we get a palindrome (237282732).

The spelling of 112042521 in words is "one hundred twelve million, forty-two thousand, five hundred twenty-one".