42103124132 has 6 divisors (see below), whose sum is σ = 73680467238. Its totient is φ = 21051562064.

The previous prime is 42103124131. The next prime is 42103124159. The reversal of 42103124132 is 23142130124.

It can be written as a sum of positive squares in only one way, i.e., 37273708096 + 4829416036 = 193064^2 + 69494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42103124098 and 42103124107.

It is not an unprimeable number, because it can be changed into a prime (42103124131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5262890513 + ... + 5262890520.

It is an arithmetic number, because the mean of its divisors is an integer number (12280077873).

Almost surely, 2^42103124132 is an apocalyptic number.

It is an amenable number.

42103124132 is a deficient number, since it is larger than the sum of its proper divisors (31577343106).

42103124132 is a wasteful number, since it uses less digits than its factorization.

42103124132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10525781037 (or 10525781035 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 42103124132 its reverse (23142130124), we get a palindrome (65245254256).

The spelling of 42103124132 in words is "forty-two billion, one hundred three million, one hundred twenty-four thousand, one hundred thirty-two".