112940521 has 4 divisors (see below), whose sum is σ = 113129044. Its totient is φ = 112752000.

The previous prime is 112940501. The next prime is 112940543. The reversal of 112940521 is 125049211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55711296 + 57229225 = 7464^2 + 7565^2 .

It is a cyclic number.

It is not a de Polignac number, because 112940521 - 2⁷ = 112940393 is a prime.

It is a super-2 number, since 2×112940521² = 25511122567502882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112940501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93360 + ... + 94561.

It is an arithmetic number, because the mean of its divisors is an integer number (28282261).

Almost surely, 2^112940521 is an apocalyptic number.

It is an amenable number.

112940521 is a deficient number, since it is larger than the sum of its proper divisors (188523).

112940521 is an equidigital number, since it uses as much as digits as its factorization.

112940521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188522.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 112940521 is about 10627.3477876656. The cubic root of 112940521 is about 483.3739729073.

Adding to 112940521 its reverse (125049211), we get a palindrome (237989732).

The spelling of 112940521 in words is "one hundred twelve million, nine hundred forty thousand, five hundred twenty-one".