124142143 has 16 divisors (see below), whose sum is σ = 138827520. Its totient is φ = 110318976.

The previous prime is 124142131. The next prime is 124142153. The reversal of 124142143 is 341241421.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124142143 is a prime.

It is a super-2 number, since 2×124142143² = 30822543337264898, 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 (124142153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150430 + ... + 151252.

It is an arithmetic number, because the mean of its divisors is an integer number (8676720).

Almost surely, 2^124142143 is an apocalyptic number.

124142143 is a deficient number, since it is larger than the sum of its proper divisors (14685377).

124142143 is a wasteful number, since it uses less digits than its factorization.

124142143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its digits is 768, while the sum is 22.

The square root of 124142143 is about 11141.9093067571. The cubic root of 124142143 is about 498.8535640449.

Adding to 124142143 its reverse (341241421), we get a palindrome (465383564).

The spelling of 124142143 in words is "one hundred twenty-four million, one hundred forty-two thousand, one hundred forty-three".