112538681 has 2 divisors, whose sum is σ = 112538682. Its totient is φ = 112538680.

The previous prime is 112538677. The next prime is 112538683. The reversal of 112538681 is 186835211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100000000 + 12538681 = 10000^2 + 3541^2 .

It is a cyclic number.

It is not a de Polignac number, because 112538681 - 2² = 112538677 is a prime.

It is a super-2 number, since 2×112538681² = 25329909442439522, which contains 22 as substring.

Together with 112538683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112538683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56269340 + 56269341.

It is an arithmetic number, because the mean of its divisors is an integer number (56269341).

Almost surely, 2^112538681 is an apocalyptic number.

It is an amenable number.

112538681 is a deficient number, since it is larger than the sum of its proper divisors (1).

112538681 is an equidigital number, since it uses as much as digits as its factorization.

112538681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 35.

The square root of 112538681 is about 10608.4250009132. The cubic root of 112538681 is about 482.8000135109.

The spelling of 112538681 in words is "one hundred twelve million, five hundred thirty-eight thousand, six hundred eighty-one".