142101071 has 16 divisors (see below), whose sum is σ = 164575488. Its totient is φ = 120182400.

The previous prime is 142101067. The next prime is 142101083. The reversal of 142101071 is 170101241.

It is a cyclic number.

It is not a de Polignac number, because 142101071 - 2² = 142101067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142101031) 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 15 ways as a sum of consecutive naturals, for example, 220676 + ... + 221318.

It is an arithmetic number, because the mean of its divisors is an integer number (10285968).

Almost surely, 2^142101071 is an apocalyptic number.

142101071 is a deficient number, since it is larger than the sum of its proper divisors (22474417).

142101071 is a wasteful number, since it uses less digits than its factorization.

142101071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 142101071 is about 11920.6153784106. The cubic root of 142101071 is about 521.8340941129.

The spelling of 142101071 in words is "one hundred forty-two million, one hundred one thousand, seventy-one".