124421431263 has 4 divisors (see below), whose sum is σ = 165895241688. Its totient is φ = 82947620840.

The previous prime is 124421431261. The next prime is 124421431297. The reversal of 124421431263 is 362134124421.

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 124421431263 - 2¹ = 124421431261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124421431261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20736905208 + ... + 20736905213.

It is an arithmetic number, because the mean of its divisors is an integer number (41473810422).

Almost surely, 2^124421431263 is an apocalyptic number.

124421431263 is a deficient number, since it is larger than the sum of its proper divisors (41473810425).

124421431263 is an equidigital number, since it uses as much as digits as its factorization.

124421431263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41473810424.

The product of its digits is 27648, while the sum is 33.

Adding to 124421431263 its reverse (362134124421), we get a palindrome (486555555684).

The spelling of 124421431263 in words is "one hundred twenty-four billion, four hundred twenty-one million, four hundred thirty-one thousand, two hundred sixty-three".