100987543127 has 2 divisors, whose sum is σ = 100987543128. Its totient is φ = 100987543126.

The previous prime is 100987543123. The next prime is 100987543171. The reversal of 100987543127 is 721345789001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100987543127 - 2² = 100987543123 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100987543123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50493771563 + 50493771564.

It is an arithmetic number, because the mean of its divisors is an integer number (50493771564).

Almost surely, 2^100987543127 is an apocalyptic number.

100987543127 is a deficient number, since it is larger than the sum of its proper divisors (1).

100987543127 is an equidigital number, since it uses as much as digits as its factorization.

100987543127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 100987543127 in words is "one hundred billion, nine hundred eighty-seven million, five hundred forty-three thousand, one hundred twenty-seven".