1003442142120 has 128 divisors (see below), whose sum is σ = 3477168570240. Its totient is φ = 228949360640.

The previous prime is 1003442142091. The next prime is 1003442142127. The reversal of 1003442142120 is 212412443001.

It is a super-2 number, since 2×1003442142120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1003442142127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22335897 + ... + 22380776.

It is an arithmetic number, because the mean of its divisors is an integer number (27165379455).

Almost surely, 2^{1003442142120} is an apocalyptic number.

1003442142120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003442142120 is an abundant number, since it is smaller than the sum of its proper divisors (2473726428120).

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

1003442142120 is a wasteful number, since it uses less digits than its factorization.

1003442142120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44716715 (or 44716711 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1003442142120 its reverse (212412443001), we get a palindrome (1215854585121).

The spelling of 1003442142120 in words is "one trillion, three billion, four hundred forty-two million, one hundred forty-two thousand, one hundred twenty".