112605021 has 12 divisors (see below), whose sum is σ = 164612448. Its totient is φ = 74165064.

The previous prime is 112604971. The next prime is 112605037. The reversal of 112605021 is 120506211.

It is a de Polignac number, because none of the positive numbers 2^k-112605021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112604985 and 112605003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112605041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74625 + ... + 76118.

It is an arithmetic number, because the mean of its divisors is an integer number (13717704).

Almost surely, 2^112605021 is an apocalyptic number.

It is an amenable number.

112605021 is a deficient number, since it is larger than the sum of its proper divisors (52007427).

112605021 is a wasteful number, since it uses less digits than its factorization.

112605021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150832 (or 150829 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 112605021 is about 10611.5513003519. The cubic root of 112605021 is about 482.8948628585.

The spelling of 112605021 in words is "one hundred twelve million, six hundred five thousand, twenty-one".