1425125142 has 24 divisors (see below), whose sum is σ = 3528881616. Its totient is φ = 407178576.

The previous prime is 1425125129. The next prime is 1425125159. The reversal of 1425125142 is 2415215241.

It is a happy number.

1425125142 is a `hidden beast` number, since 1 + 4 + 2 + 512 + 5 + 142 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5655133 + ... + 5655384.

It is an arithmetic number, because the mean of its divisors is an integer number (147036734).

Almost surely, 2^1425125142 is an apocalyptic number.

1425125142 is an abundant number, since it is smaller than the sum of its proper divisors (2103756474).

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

1425125142 is a wasteful number, since it uses less digits than its factorization.

1425125142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11310532 (or 11310529 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1425125142 is about 37750.8296862466. The cubic root of 1425125142 is about 1125.3414975120.

Subtracting 1425125142 from its reverse (2415215241), we obtain a palindrome (990090099).

It can be divided in two parts, 14251 and 25142, that added together give a palindrome (39393).

The spelling of 1425125142 in words is "one billion, four hundred twenty-five million, one hundred twenty-five thousand, one hundred forty-two".