100120079 has 2 divisors, whose sum is σ = 100120080. Its totient is φ = 100120078.

The previous prime is 100120067. The next prime is 100120091. The reversal of 100120079 is 970021001.

It is a balanced prime because it is at equal distance from previous prime (100120067) and next prime (100120091).

It is an emirp because it is prime and its reverse (970021001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100120079 - 2²⁴ = 83342863 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100120079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100120379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060039 + 50060040.

It is an arithmetic number, because the mean of its divisors is an integer number (50060040).

Almost surely, 2^100120079 is an apocalyptic number.

100120079 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120079 is an equidigital number, since it uses as much as digits as its factorization.

100120079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 100120079 is about 10006.0021487105. The cubic root of 100120079 is about 464.3445948295.

The spelling of 100120079 in words is "one hundred million, one hundred twenty thousand, seventy-nine".