142126617 has 8 divisors (see below), whose sum is σ = 190289440. Its totient is φ = 94357440.

The previous prime is 142126603. The next prime is 142126639. The reversal of 142126617 is 716621241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142126617 - 2⁴ = 142126601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142126687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97567 + ... + 99012.

It is an arithmetic number, because the mean of its divisors is an integer number (23786180).

Almost surely, 2^142126617 is an apocalyptic number.

It is an amenable number.

142126617 is a deficient number, since it is larger than the sum of its proper divisors (48162823).

142126617 is a wasteful number, since it uses less digits than its factorization.

142126617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196823.

The product of its digits is 4032, while the sum is 30.

The square root of 142126617 is about 11921.6868353434. The cubic root of 142126617 is about 521.8653628780.

Adding to 142126617 its reverse (716621241), we get a palindrome (858747858).

The spelling of 142126617 in words is "one hundred forty-two million, one hundred twenty-six thousand, six hundred seventeen".