142055121025 has 12 divisors (see below), whose sum is σ = 176549612800. Its totient is φ = 113385217680.

The previous prime is 142055121017. The next prime is 142055121101. The reversal of 142055121025 is 520121550241.

It is not a de Polignac number, because 142055121025 - 2³ = 142055121017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142055120984 and 142055121002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6460785 + ... + 6482734.

Almost surely, 2^142055121025 is an apocalyptic number.

It is an amenable number.

142055121025 is a deficient number, since it is larger than the sum of its proper divisors (34494491775).

142055121025 is a wasteful number, since it uses less digits than its factorization.

142055121025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12943968 (or 12943963 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 142055121025 its reverse (520121550241), we get a palindrome (662176671266).

The spelling of 142055121025 in words is "one hundred forty-two billion, fifty-five million, one hundred twenty-one thousand, twenty-five".