100120159 has 2 divisors, whose sum is σ = 100120160. Its totient is φ = 100120158.

The previous prime is 100120091. The next prime is 100120183. The reversal of 100120159 is 951021001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100120159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100121159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060079 + 50060080.

It is an arithmetic number, because the mean of its divisors is an integer number (50060080).

Almost surely, 2^100120159 is an apocalyptic number.

100120159 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120159 is an equidigital number, since it uses as much as digits as its factorization.

100120159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 100120159 is about 10006.0061463103. The cubic root of 100120159 is about 464.3447185061.

The spelling of 100120159 in words is "one hundred million, one hundred twenty thousand, one hundred fifty-nine".