872159101 has 16 divisors (see below), whose sum is σ = 967458816. Its totient is φ = 779590000.

The previous prime is 872159083. The next prime is 872159111. The reversal of 872159101 is 101951278.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 872159101 - 2⁵ = 872159069 is a prime.

It is a super-2 number, since 2×872159101² = 1521322994914256402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872159111) by changing a digit.

It is a Zeisel number, with parameters (6, 5).

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335316 + ... + 337906.

It is an arithmetic number, because the mean of its divisors is an integer number (60466176).

Almost surely, 2^872159101 is an apocalyptic number.

It is an amenable number.

872159101 is a deficient number, since it is larger than the sum of its proper divisors (95299715).

872159101 is a wasteful number, since it uses less digits than its factorization.

872159101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104.

The product of its (nonzero) digits is 5040, while the sum is 34.

The square root of 872159101 is about 29532.3399174532. The cubic root of 872159101 is about 955.4293368475.

The spelling of 872159101 in words is "eight hundred seventy-two million, one hundred fifty-nine thousand, one hundred one".