648122 has 8 divisors (see below), whose sum is σ = 975936. Its totient is φ = 322812.

The previous prime is 648119. The next prime is 648133. The reversal of 648122 is 221846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293 + ... + 1175.

It is an arithmetic number, because the mean of its divisors is an integer number (121992).

2⁶⁴⁸¹²² is an apocalyptic number.

648122 is a deficient number, since it is larger than the sum of its proper divisors (327814).

648122 is a wasteful number, since it uses less digits than its factorization.

648122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252.

The product of its digits is 768, while the sum is 23.

The square root of 648122 is about 805.0602461928. The cubic root of 648122 is about 86.5404045705.

Adding to 648122 its reverse (221846), we get a palindrome (869968).

The spelling of 648122 in words is "six hundred forty-eight thousand, one hundred twenty-two".