202142887 has 2 divisors, whose sum is σ = 202142888. Its totient is φ = 202142886.

The previous prime is 202142867. The next prime is 202142921. The reversal of 202142887 is 788241202.

It is an a-pointer prime, because the next prime (202142921) can be obtained adding 202142887 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202142887 - 2¹⁵ = 202110119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202142867) 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 as a sum of consecutive naturals, namely, 101071443 + 101071444.

It is an arithmetic number, because the mean of its divisors is an integer number (101071444).

Almost surely, 2^202142887 is an apocalyptic number.

202142887 is a deficient number, since it is larger than the sum of its proper divisors (1).

202142887 is an equidigital number, since it uses as much as digits as its factorization.

202142887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 202142887 is about 14217.6962620531. The cubic root of 202142887 is about 586.8847454928.

The spelling of 202142887 in words is "two hundred two million, one hundred forty-two thousand, eight hundred eighty-seven".