100072159 has 4 divisors (see below), whose sum is σ = 109169640. Its totient is φ = 90974680.

The previous prime is 100072151. The next prime is 100072163. The reversal of 100072159 is 951270001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951270001 = 11 ⋅86479091.

It is a cyclic number.

It is not a de Polignac number, because 100072159 - 2³ = 100072151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100072151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4548724 + ... + 4548745.

It is an arithmetic number, because the mean of its divisors is an integer number (27292410).

Almost surely, 2^100072159 is an apocalyptic number.

100072159 is a deficient number, since it is larger than the sum of its proper divisors (9097481).

100072159 is an equidigital number, since it uses as much as digits as its factorization.

100072159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9097480.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 100072159 is about 10003.6072993696. The cubic root of 100072159 is about 464.2705006545.

The spelling of 100072159 in words is "one hundred million, seventy-two thousand, one hundred fifty-nine".