100048891 has 2 divisors, whose sum is σ = 100048892. Its totient is φ = 100048890.

The previous prime is 100048801. The next prime is 100048903. The reversal of 100048891 is 198840001.

It is a strong prime.

It is an emirp because it is prime and its reverse (198840001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100048891 - 2⁹ = 100048379 is a prime.

It is not a weakly prime, because it can be changed into another prime (100048801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50024445 + 50024446.

It is an arithmetic number, because the mean of its divisors is an integer number (50024446).

Almost surely, 2^100048891 is an apocalyptic number.

100048891 is a deficient number, since it is larger than the sum of its proper divisors (1).

100048891 is an equidigital number, since it uses as much as digits as its factorization.

100048891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 100048891 is about 10002.4442512818. Note that the first 3 decimals coincide. The cubic root of 100048891 is about 464.2345150101.

Adding to 100048891 its reverse (198840001), we get a palindrome (298888892).

The spelling of 100048891 in words is "one hundred million, forty-eight thousand, eight hundred ninety-one".