142017101 has 2 divisors, whose sum is σ = 142017102. Its totient is φ = 142017100.

The previous prime is 142017097. The next prime is 142017151. The reversal of 142017101 is 101710241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141253225 + 763876 = 11885^2 + 874^2 .

It is a cyclic number.

It is not a de Polignac number, because 142017101 - 2² = 142017097 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142017101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142017151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71008550 + 71008551.

It is an arithmetic number, because the mean of its divisors is an integer number (71008551).

Almost surely, 2^142017101 is an apocalyptic number.

It is an amenable number.

142017101 is a deficient number, since it is larger than the sum of its proper divisors (1).

142017101 is an equidigital number, since it uses as much as digits as its factorization.

142017101 is an evil number, because the sum of its binary digits is even.

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

The square root of 142017101 is about 11917.0928082314. The cubic root of 142017101 is about 521.7312869057.

Adding to 142017101 its reverse (101710241), we get a palindrome (243727342).

It can be divided in two parts, 14201 and 7101, that multiplied together give a triangular number (100841301 = T₁₄₂₀₁).

The spelling of 142017101 in words is "one hundred forty-two million, seventeen thousand, one hundred one".