143000021120 has 128 divisors (see below), whose sum is σ = 375315854400. Its totient is φ = 51668398080.

The previous prime is 143000021111. The next prime is 143000021137. The reversal of 143000021120 is 21120000341.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 143000021095 and 143000021104.

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, 1040591 + ... + 1169969.

Almost surely, 2^143000021120 is an apocalyptic number.

143000021120 is a gapful number since it is divisible by the number (10) 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 143000021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187657927200).

143000021120 is an abundant number, since it is smaller than the sum of its proper divisors (232315833280).

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

143000021120 is a wasteful number, since it uses less digits than its factorization.

143000021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129566 (or 129554 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 143000021120 its reverse (21120000341), we get a palindrome (164120021461).

The spelling of 143000021120 in words is "one hundred forty-three billion, twenty-one thousand, one hundred twenty".