124020542343524 has 6 divisors (see below), whose sum is σ = 217035949101174. Its totient is φ = 62010271171760.

The previous prime is 124020542343469. The next prime is 124020542343557. The reversal of 124020542343524 is 425343245020421.

It can be written as a sum of positive squares in only one way, i.e., 66586122241024 + 57434420102500 = 8160032^2 + 7578550^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15502567792937 + ... + 15502567792944.

It is an arithmetic number, because the mean of its divisors is an integer number (36172658183529).

Almost surely, 2^{124020542343524} is an apocalyptic number.

It is an amenable number.

124020542343524 is a deficient number, since it is larger than the sum of its proper divisors (93015406757650).

124020542343524 is a wasteful number, since it uses less digits than its factorization.

124020542343524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31005135585885 (or 31005135585883 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 124020542343524 its reverse (425343245020421), we get a palindrome (549363787363945).

The spelling of 124020542343524 in words is "one hundred twenty-four trillion, twenty billion, five hundred forty-two million, three hundred forty-three thousand, five hundred twenty-four".