112701781 has 2 divisors, whose sum is σ = 112701782. Its totient is φ = 112701780.

The previous prime is 112701767. The next prime is 112701791. The reversal of 112701781 is 187107211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58384881 + 54316900 = 7641^2 + 7370^2 .

It is a cyclic number.

It is not a de Polignac number, because 112701781 - 2¹⁷ = 112570709 is a prime.

It is a super-2 number, since 2×112701781² = 25403382881143922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112701731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56350890 + 56350891.

It is an arithmetic number, because the mean of its divisors is an integer number (56350891).

Almost surely, 2^112701781 is an apocalyptic number.

It is an amenable number.

112701781 is a deficient number, since it is larger than the sum of its proper divisors (1).

112701781 is an equidigital number, since it uses as much as digits as its factorization.

112701781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 28.

The square root of 112701781 is about 10616.1095039567. The cubic root of 112701781 is about 483.0331383088.

Adding to 112701781 its reverse (187107211), we get a palindrome (299808992).

The spelling of 112701781 in words is "one hundred twelve million, seven hundred one thousand, seven hundred eighty-one".