142017207 has 4 divisors (see below), whose sum is σ = 189356280. Its totient is φ = 94678136.

The previous prime is 142017199. The next prime is 142017209. The reversal of 142017207 is 702710241.

142017207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142017207 - 2³ = 142017199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142017209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23669532 + ... + 23669537.

It is an arithmetic number, because the mean of its divisors is an integer number (47339070).

Almost surely, 2^142017207 is an apocalyptic number.

142017207 is a deficient number, since it is larger than the sum of its proper divisors (47339073).

142017207 is an equidigital number, since it uses as much as digits as its factorization.

142017207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47339072.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 142017207 is about 11917.0972556240. The cubic root of 142017207 is about 521.7314167105.

Adding to 142017207 its reverse (702710241), we get a palindrome (844727448).

The spelling of 142017207 in words is "one hundred forty-two million, seventeen thousand, two hundred seven".