124212431 has 8 divisors (see below), whose sum is σ = 142038144. Its totient is φ = 106407000.

The previous prime is 124212419. The next prime is 124212437. The reversal of 124212431 is 134212421.

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

It is not a de Polignac number, because 124212431 - 2¹⁸ = 123950287 is a prime.

It is a super-2 number, since 2×124212431² = 30857456029859522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124212437) 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 7 ways as a sum of consecutive naturals, for example, 11816 + ... + 19698.

It is an arithmetic number, because the mean of its divisors is an integer number (17754768).

Almost surely, 2^124212431 is an apocalyptic number.

124212431 is a deficient number, since it is larger than the sum of its proper divisors (17825713).

124212431 is an equidigital number, since it uses as much as digits as its factorization.

124212431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10141.

The product of its digits is 384, while the sum is 20.

The square root of 124212431 is about 11145.0630774348. The cubic root of 124212431 is about 498.9476948615.

Adding to 124212431 its reverse (134212421), we get a palindrome (258424852).

The spelling of 124212431 in words is "one hundred twenty-four million, two hundred twelve thousand, four hundred thirty-one".