124144542 has 16 divisors (see below), whose sum is σ = 275876880. Its totient is φ = 41381496.

The previous prime is 124144541. The next prime is 124144543. The reversal of 124144542 is 245441421.

It is an interprime number because it is at equal distance from previous prime (124144541) and next prime (124144543).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124144541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149433 + ... + 1149540.

It is an arithmetic number, because the mean of its divisors is an integer number (17242305).

Almost surely, 2^124144542 is an apocalyptic number.

124144542 is an abundant number, since it is smaller than the sum of its proper divisors (151732338).

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

124144542 is a wasteful number, since it uses less digits than its factorization.

124144542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298984 (or 2298978 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 124144542 is about 11142.0169628304. The cubic root of 124144542 is about 498.8567774097.

Adding to 124144542 its reverse (245441421), we get a palindrome (369585963).

The spelling of 124144542 in words is "one hundred twenty-four million, one hundred forty-four thousand, five hundred forty-two".