124332021 has 48 divisors (see below), whose sum is σ = 201502080. Its totient is φ = 73244160.

The previous prime is 124331993. The next prime is 124332031. The reversal of 124332021 is 120233421.

It is not a de Polignac number, because 124332021 - 2⁵ = 124331989 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124331985 and 124332003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124332031) 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 47 ways as a sum of consecutive naturals, for example, 907465 + ... + 907601.

It is an arithmetic number, because the mean of its divisors is an integer number (4197960).

Almost surely, 2^124332021 is an apocalyptic number.

124332021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124332021 is a deficient number, since it is larger than the sum of its proper divisors (77170059).

124332021 is a wasteful number, since it uses less digits than its factorization.

124332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 124332021 is about 11150.4269424987. The cubic root of 124332021 is about 499.1077701321.

Adding to 124332021 its reverse (120233421), we get a palindrome (244565442).

The spelling of 124332021 in words is "one hundred twenty-four million, three hundred thirty-two thousand, twenty-one".