124121405343 has 16 divisors (see below), whose sum is σ = 185974548480. Its totient is φ = 73061428704.

The previous prime is 124121405299. The next prime is 124121405371. The reversal of 124121405343 is 343504121421.

It is not a de Polignac number, because 124121405343 - 2⁸ = 124121405087 is a prime.

It is a super-2 number, since 2×124121405343² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124121405343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124121405143) 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 15 ways as a sum of consecutive naturals, for example, 69186063 + ... + 69187856.

It is an arithmetic number, because the mean of its divisors is an integer number (11623409280).

Almost surely, 2^124121405343 is an apocalyptic number.

124121405343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

124121405343 is a deficient number, since it is larger than the sum of its proper divisors (61853143137).

124121405343 is a wasteful number, since it uses less digits than its factorization.

124121405343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138373958.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 124121405343 its reverse (343504121421), we get a palindrome (467625526764).

The spelling of 124121405343 in words is "one hundred twenty-four billion, one hundred twenty-one million, four hundred five thousand, three hundred forty-three".