42124154025 has 12 divisors (see below), whose sum is σ = 69645268112. Its totient is φ = 22466215440.

The previous prime is 42124153997. The next prime is 42124154047. The reversal of 42124154025 is 52045142124.

It is not a de Polignac number, because 42124154025 - 2¹² = 42124149929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42124153983 and 42124154001.

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 11 ways as a sum of consecutive naturals, for example, 280827619 + ... + 280827768.

Almost surely, 2^42124154025 is an apocalyptic number.

It is an amenable number.

42124154025 is a deficient number, since it is larger than the sum of its proper divisors (27521114087).

42124154025 is a wasteful number, since it uses less digits than its factorization.

42124154025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561655400 (or 561655395 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 42124154025 its reverse (52045142124), we get a palindrome (94169296149).

The spelling of 42124154025 in words is "forty-two billion, one hundred twenty-four million, one hundred fifty-four thousand, twenty-five".