648112 has 10 divisors (see below), whose sum is σ = 1255748. Its totient is φ = 324048.

The previous prime is 648107. The next prime is 648119. The reversal of 648112 is 211846.

648112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (648119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20238 + ... + 20269.

2⁶⁴⁸¹¹² is an apocalyptic number.

It is an amenable number.

648112 is a deficient number, since it is larger than the sum of its proper divisors (607636).

648112 is a wasteful number, since it uses less digits than its factorization.

648112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40515 (or 40509 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 648112 is about 805.0540354535. The cubic root of 648112 is about 86.5399594853.

Adding to 648112 its reverse (211846), we get a palindrome (859958).

The spelling of 648112 in words is "six hundred forty-eight thousand, one hundred twelve".