124442142 has 64 divisors (see below), whose sum is σ = 289453824. Its totient is φ = 35248640.

The previous prime is 124442141. The next prime is 124442147. The reversal of 124442142 is 241244421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124442141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220753 + ... + 221315.

It is an arithmetic number, because the mean of its divisors is an integer number (4522716).

Almost surely, 2^124442142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124442142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144726912).

124442142 is an abundant number, since it is smaller than the sum of its proper divisors (165011682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124442142 is a wasteful number, since it uses less digits than its factorization.

124442142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its digits is 2048, while the sum is 24.

The square root of 124442142 is about 11155.3638219468. The cubic root of 124442142 is about 499.2550800731.

Adding to 124442142 its reverse (241244421), we get a palindrome (365686563).

The spelling of 124442142 in words is "one hundred twenty-four million, four hundred forty-two thousand, one hundred forty-two".