159247101 has 16 divisors (see below), whose sum is σ = 238605696. Its totient is φ = 93736896.

The previous prime is 159247097. The next prime is 159247111. The reversal of 159247101 is 101742951.

It is not a de Polignac number, because 159247101 - 2² = 159247097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159247111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87870 + ... + 89663.

It is an arithmetic number, because the mean of its divisors is an integer number (14912856).

Almost surely, 2^159247101 is an apocalyptic number.

It is an amenable number.

159247101 is a deficient number, since it is larger than the sum of its proper divisors (79358595).

159247101 is a wasteful number, since it uses less digits than its factorization.

159247101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177572.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 159247101 is about 12619.3146010392. The cubic root of 159247101 is about 542.0306498555.

The spelling of 159247101 in words is "one hundred fifty-nine million, two hundred forty-seven thousand, one hundred one".