112428557 has 4 divisors (see below), whose sum is σ = 112494876. Its totient is φ = 112362240.

The previous prime is 112428539. The next prime is 112428581. The reversal of 112428557 is 755824211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 755824211 = 601 ⋅1257611.

It can be written as a sum of positive squares in 2 ways, for example, as 27678121 + 84750436 = 5261^2 + 9206^2 .

It is a cyclic number.

It is not a de Polignac number, because 112428557 - 2⁶ = 112428493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112428587) 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 in 3 ways as a sum of consecutive naturals, for example, 30548 + ... + 34029.

It is an arithmetic number, because the mean of its divisors is an integer number (28123719).

Almost surely, 2^112428557 is an apocalyptic number.

It is an amenable number.

112428557 is a deficient number, since it is larger than the sum of its proper divisors (66319).

112428557 is an equidigital number, since it uses as much as digits as its factorization.

112428557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66318.

The product of its digits is 22400, while the sum is 35.

The square root of 112428557 is about 10603.2333276223. The cubic root of 112428557 is about 482.6424818367.

The spelling of 112428557 in words is "one hundred twelve million, four hundred twenty-eight thousand, five hundred fifty-seven".