43142420125 has 16 divisors (see below), whose sum is σ = 61533418752. Its totient is φ = 29583373200.

The previous prime is 43142420117. The next prime is 43142420147. The reversal of 43142420125 is 52102424134.

It is not a de Polignac number, because 43142420125 - 2³ = 43142420117 is a prime.

It is a super-2 number, since 2×43142420125² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43142420093 and 43142420102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24651937 + ... + 24653686.

It is an arithmetic number, because the mean of its divisors is an integer number (3845838672).

Almost surely, 2^43142420125 is an apocalyptic number.

It is an amenable number.

43142420125 is a deficient number, since it is larger than the sum of its proper divisors (18390998627).

43142420125 is an equidigital number, since it uses as much as digits as its factorization.

43142420125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49305645 (or 49305635 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 43142420125 its reverse (52102424134), we get a palindrome (95244844259).

The spelling of 43142420125 in words is "forty-three billion, one hundred forty-two million, four hundred twenty thousand, one hundred twenty-five".