632124021 has 16 divisors (see below), whose sum is σ = 866373248. Its totient is φ = 409665600.

The previous prime is 632124011. The next prime is 632124067. The reversal of 632124021 is 120421236.

It is not a de Polignac number, because 632124021 - 2⁶ = 632123957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632124011) 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 15 ways as a sum of consecutive naturals, for example, 191616 + ... + 194886.

It is an arithmetic number, because the mean of its divisors is an integer number (54148328).

Almost surely, 2^632124021 is an apocalyptic number.

It is an amenable number.

632124021 is a deficient number, since it is larger than the sum of its proper divisors (234249227).

632124021 is a wasteful number, since it uses less digits than its factorization.

632124021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 632124021 is about 25142.0767042025. The cubic root of 632124021 is about 858.2242161558.

Adding to 632124021 its reverse (120421236), we get a palindrome (752545257).

The spelling of 632124021 in words is "six hundred thirty-two million, one hundred twenty-four thousand, twenty-one".