124211112042431 has 4 divisors (see below), whose sum is σ = 124211240767512. Its totient is φ = 124210983317352.

The previous prime is 124211112042379. The next prime is 124211112042439. The reversal of 124211112042431 is 134240211112421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124211112042431 - 2²² = 124211107848127 is a prime.

It is a super-2 number, since 2×124211112042431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124211112042394 and 124211112042403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124211112042439) 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, 62904125 + ... + 64848678.

It is an arithmetic number, because the mean of its divisors is an integer number (31052810191878).

Almost surely, 2^{124211112042431} is an apocalyptic number.

124211112042431 is a deficient number, since it is larger than the sum of its proper divisors (128725081).

124211112042431 is an equidigital number, since it uses as much as digits as its factorization.

124211112042431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128725080.

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 124211112042431 its reverse (134240211112421), we get a palindrome (258451323154852).

The spelling of 124211112042431 in words is "one hundred twenty-four trillion, two hundred eleven billion, one hundred twelve million, forty-two thousand, four hundred thirty-one".