142012124 has 12 divisors (see below), whose sum is σ = 250010544. Its totient is φ = 70580544.

The previous prime is 142012121. The next prime is 142012139. The reversal of 142012124 is 421210241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142012121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 105629 + ... + 106964.

It is an arithmetic number, because the mean of its divisors is an integer number (20834212).

Almost surely, 2^142012124 is an apocalyptic number.

It is an amenable number.

142012124 is a deficient number, since it is larger than the sum of its proper divisors (107998420).

142012124 is a wasteful number, since it uses less digits than its factorization.

142012124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212764 (or 212762 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 142012124 is about 11916.8839886944. The cubic root of 142012124 is about 521.7251921305.

Adding to 142012124 its reverse (421210241), we get a palindrome (563222365).

The spelling of 142012124 in words is "one hundred forty-two million, twelve thousand, one hundred twenty-four".