124101213 has 4 divisors (see below), whose sum is σ = 165468288. Its totient is φ = 82734140.

The previous prime is 124101193. The next prime is 124101221. The reversal of 124101213 is 312101421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124101213 - 2¹² = 124097117 is a prime.

It is a super-2 number, since 2×124101213² = 30802222136142738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124101192 and 124101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124102213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20683533 + ... + 20683538.

It is an arithmetic number, because the mean of its divisors is an integer number (41367072).

Almost surely, 2^124101213 is an apocalyptic number.

It is an amenable number.

124101213 is a deficient number, since it is larger than the sum of its proper divisors (41367075).

124101213 is an equidigital number, since it uses as much as digits as its factorization.

124101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41367074.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 124101213 is about 11140.0723965332. The cubic root of 124101213 is about 498.7987335625.

Adding to 124101213 its reverse (312101421), we get a palindrome (436202634).

The spelling of 124101213 in words is "one hundred twenty-four million, one hundred one thousand, two hundred thirteen".