100101887 has 2 divisors, whose sum is σ = 100101888. Its totient is φ = 100101886.

The previous prime is 100101877. The next prime is 100101913. The reversal of 100101887 is 788101001.

It is an a-pointer prime, because the next prime (100101913) can be obtained adding 100101887 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100101887 - 2⁴ = 100101871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100101857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050943 + 50050944.

It is an arithmetic number, because the mean of its divisors is an integer number (50050944).

Almost surely, 2^100101887 is an apocalyptic number.

100101887 is a deficient number, since it is larger than the sum of its proper divisors (1).

100101887 is an equidigital number, since it uses as much as digits as its factorization.

100101887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 26.

The square root of 100101887 is about 10005.0930530405. The cubic root of 100101887 is about 464.3164690408.

Adding to 100101887 its reverse (788101001), we get a palindrome (888202888).

The spelling of 100101887 in words is "one hundred million, one hundred one thousand, eight hundred eighty-seven".