632121 has 16 divisors (see below), whose sum is σ = 995328. Its totient is φ = 349200.

The previous prime is 632117. The next prime is 632123. The reversal of 632121 is 121236.

632121 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 632121 - 2² = 632117 is a prime.

It is an alternating number because its digits alternate between even and odd.

632121 is a modest number, since divided by 2121 gives 63 as remainder.

632121 is strictly pandigital in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 632121.

It is not an unprimeable number, because it can be changed into a prime (632123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166 + ... + 1136.

It is an arithmetic number, because the mean of its divisors is an integer number (62208).

2⁶³²¹²¹ is an apocalyptic number.

It is an amenable number.

632121 is a deficient number, since it is larger than the sum of its proper divisors (363207).

632121 is a wasteful number, since it uses less digits than its factorization.

632121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012.

The product of its digits is 72, while the sum is 15.

The square root of 632121 is about 795.0603750659. The cubic root of 632121 is about 85.8222848967.

Adding to 632121 its reverse (121236), we get a palindrome (753357).

The spelling of 632121 in words is "six hundred thirty-two thousand, one hundred twenty-one".