42103043120 has 80 divisors (see below), whose sum is σ = 99989305632. Its totient is φ = 16481587200.

The previous prime is 42103043083. The next prime is 42103043153. The reversal of 42103043120 is 2134030124.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 42103043092 and 42103043101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687859 + ... + 1712621.

Almost surely, 2^42103043120 is an apocalyptic number.

42103043120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42103043120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49994652816).

42103043120 is an abundant number, since it is smaller than the sum of its proper divisors (57886262512).

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

42103043120 is a wasteful number, since it uses less digits than its factorization.

42103043120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25230 (or 25224 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 42103043120 its reverse (2134030124), we get a palindrome (44237073244).

The spelling of 42103043120 in words is "forty-two billion, one hundred three million, forty-three thousand, one hundred twenty".