112400531 has 2 divisors, whose sum is σ = 112400532. Its totient is φ = 112400530.

The previous prime is 112400527. The next prime is 112400537. The reversal of 112400531 is 135004211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112400531 - 2² = 112400527 is a prime.

It is a super-2 number, since 2×112400531² = 25267758738163922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112400537) 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 as a sum of consecutive naturals, namely, 56200265 + 56200266.

It is an arithmetic number, because the mean of its divisors is an integer number (56200266).

Almost surely, 2^112400531 is an apocalyptic number.

112400531 is a deficient number, since it is larger than the sum of its proper divisors (1).

112400531 is an equidigital number, since it uses as much as digits as its factorization.

112400531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 112400531 is about 10601.9116672419. The cubic root of 112400531 is about 482.6023744041.

Adding to 112400531 its reverse (135004211), we get a palindrome (247404742).

The spelling of 112400531 in words is "one hundred twelve million, four hundred thousand, five hundred thirty-one".