42003120425 has 24 divisors (see below), whose sum is σ = 59582412672. Its totient is φ = 28774080000.

The previous prime is 42003120409. The next prime is 42003120433. The reversal of 42003120425 is 52402130024.

It is a happy number.

It is not a de Polignac number, because 42003120425 - 2⁴ = 42003120409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42003120425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64025 + ... + 296825.

It is an arithmetic number, because the mean of its divisors is an integer number (2482600528).

Almost surely, 2^42003120425 is an apocalyptic number.

It is an amenable number.

42003120425 is a deficient number, since it is larger than the sum of its proper divisors (17579292247).

42003120425 is a wasteful number, since it uses less digits than its factorization.

42003120425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233849 (or 233844 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 42003120425 its reverse (52402130024), we get a palindrome (94405250449).

The spelling of 42003120425 in words is "forty-two billion, three million, one hundred twenty thousand, four hundred twenty-five".