630122 has 16 divisors (see below), whose sum is σ = 1026432. Its totient is φ = 288960.

The previous prime is 630107. The next prime is 630127. The reversal of 630122 is 221036.

It is a d-powerful number, because it can be written as 6⁶ + 3¹⁰ + 1 + 0 + 2⁷ + 2¹⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 630097 and 630106.

It is not an unprimeable number, because it can be changed into a prime (630127) by changing a digit.

630122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 7 ways as a sum of consecutive naturals, for example, 1247 + ... + 1677.

It is an arithmetic number, because the mean of its divisors is an integer number (64152).

2⁶³⁰¹²² is an apocalyptic number.

630122 is a deficient number, since it is larger than the sum of its proper divisors (396310).

630122 is a wasteful number, since it uses less digits than its factorization.

630122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 630122 is about 793.8022423753. The cubic root of 630122 is about 85.7317221141.

Adding to 630122 its reverse (221036), we get a palindrome (851158).

The spelling of 630122 in words is "six hundred thirty thousand, one hundred twenty-two".