112251521 has 2 divisors, whose sum is σ = 112251522. Its totient is φ = 112251520.

The previous prime is 112251499. The next prime is 112251551. The reversal of 112251521 is 125152211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95277121 + 16974400 = 9761^2 + 4120^2 .

It is a cyclic number.

It is not a de Polignac number, because 112251521 - 2¹⁸ = 111989377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112251493 and 112251502.

It is not a weakly prime, because it can be changed into another prime (112251551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56125760 + 56125761.

It is an arithmetic number, because the mean of its divisors is an integer number (56125761).

Almost surely, 2^112251521 is an apocalyptic number.

It is an amenable number.

112251521 is a deficient number, since it is larger than the sum of its proper divisors (1).

112251521 is an equidigital number, since it uses as much as digits as its factorization.

112251521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 200, while the sum is 20.

The square root of 112251521 is about 10594.8818303934. The cubic root of 112251521 is about 482.3890172225.

The spelling of 112251521 in words is "one hundred twelve million, two hundred fifty-one thousand, five hundred twenty-one".