124740143 has 8 divisors (see below), whose sum is σ = 136229376. Its totient is φ = 113275800.

The previous prime is 124740139. The next prime is 124740173. The reversal of 124740143 is 341047421.

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

It is not a de Polignac number, because 124740143 - 2² = 124740139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124740173) 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, 5180 + ... + 16622.

It is an arithmetic number, because the mean of its divisors is an integer number (17028672).

Almost surely, 2^124740143 is an apocalyptic number.

124740143 is a deficient number, since it is larger than the sum of its proper divisors (11489233).

124740143 is a wasteful number, since it uses less digits than its factorization.

124740143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12445.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 124740143 is about 11168.7126832057. The cubic root of 124740143 is about 499.6532836311.

Adding to 124740143 its reverse (341047421), we get a palindrome (465787564).

The spelling of 124740143 in words is "one hundred twenty-four million, seven hundred forty thousand, one hundred forty-three".