124313021 has 8 divisors (see below), whose sum is σ = 142640064. Its totient is φ = 106128000.

The previous prime is 124313017. The next prime is 124313041. The reversal of 124313021 is 120313421.

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

It is a cyclic number.

It is not a de Polignac number, because 124313021 - 2² = 124313017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124313011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33620 + ... + 37133.

It is an arithmetic number, because the mean of its divisors is an integer number (17830008).

Almost surely, 2^124313021 is an apocalyptic number.

It is an amenable number.

124313021 is a deficient number, since it is larger than the sum of its proper divisors (18327043).

124313021 is an equidigital number, since it uses as much as digits as its factorization.

124313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71011.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 124313021 is about 11149.5749246328. The cubic root of 124313021 is about 499.0823448484.

Adding to 124313021 its reverse (120313421), we get a palindrome (244626442).

The spelling of 124313021 in words is "one hundred twenty-four million, three hundred thirteen thousand, twenty-one".