124112155542 has 16 divisors (see below), whose sum is σ = 248539726272. Its totient is φ = 41318149320.

The previous prime is 124112155501. The next prime is 124112155543. The reversal of 124112155542 is 245551211421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124112155543) 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, 13137184 + ... + 13146627.

It is an arithmetic number, because the mean of its divisors is an integer number (15533732892).

Almost surely, 2^124112155542 is an apocalyptic number.

124112155542 is an abundant number, since it is smaller than the sum of its proper divisors (124427570730).

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

124112155542 is a wasteful number, since it uses less digits than its factorization.

124112155542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26284603.

The product of its digits is 16000, while the sum is 33.

Adding to 124112155542 its reverse (245551211421), we get a palindrome (369663366963).

The spelling of 124112155542 in words is "one hundred twenty-four billion, one hundred twelve million, one hundred fifty-five thousand, five hundred forty-two".