159121094 has 16 divisors (see below), whose sum is σ = 262434816. Its totient is φ = 71757000.

The previous prime is 159121087. The next prime is 159121097. The reversal of 159121094 is 490121951.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 159121094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159121097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25682 + ... + 31269.

It is an arithmetic number, because the mean of its divisors is an integer number (16402176).

Almost surely, 2^159121094 is an apocalyptic number.

159121094 is a deficient number, since it is larger than the sum of its proper divisors (103313722).

159121094 is a wasteful number, since it uses less digits than its factorization.

159121094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57091.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 159121094 is about 12614.3209884639. The cubic root of 159121094 is about 541.8876484487.

The spelling of 159121094 in words is "one hundred fifty-nine million, one hundred twenty-one thousand, ninety-four".