112521135 has 16 divisors (see below), whose sum is σ = 189509760. Its totient is φ = 56852640.

The previous prime is 112521121. The next prime is 112521137. The reversal of 112521135 is 531125211.

It is not a de Polignac number, because 112521135 - 2¹⁴ = 112504751 is a prime.

It is a super-2 number, since 2×112521135² = 25322011643376450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112521137) 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 15 ways as a sum of consecutive naturals, for example, 197121 + ... + 197690.

It is an arithmetic number, because the mean of its divisors is an integer number (11844360).

Almost surely, 2^112521135 is an apocalyptic number.

112521135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

112521135 is a deficient number, since it is larger than the sum of its proper divisors (76988625).

112521135 is a wasteful number, since it uses less digits than its factorization.

112521135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394838.

The product of its digits is 300, while the sum is 21.

The square root of 112521135 is about 10607.5979844638. The cubic root of 112521135 is about 482.7749209553.

Adding to 112521135 its reverse (531125211), we get a palindrome (643646346).

The spelling of 112521135 in words is "one hundred twelve million, five hundred twenty-one thousand, one hundred thirty-five".