100119857 has 2 divisors, whose sum is σ = 100119858. Its totient is φ = 100119856.

The previous prime is 100119847. The next prime is 100119871. The reversal of 100119857 is 758911001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100020001 + 99856 = 10001^2 + 316^2 .

It is an emirp because it is prime and its reverse (758911001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100119857 - 2²² = 95925553 is a prime.

It is not a weakly prime, because it can be changed into another prime (100119847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50059928 + 50059929.

It is an arithmetic number, because the mean of its divisors is an integer number (50059929).

Almost surely, 2^100119857 is an apocalyptic number.

It is an amenable number.

100119857 is a deficient number, since it is larger than the sum of its proper divisors (1).

100119857 is an equidigital number, since it uses as much as digits as its factorization.

100119857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 32.

The square root of 100119857 is about 10005.9910553628. The cubic root of 100119857 is about 464.3442516263.

The spelling of 100119857 in words is "one hundred million, one hundred nineteen thousand, eight hundred fifty-seven".