88161121 has 8 divisors (see below), whose sum is σ = 95310080. Its totient is φ = 81263088.

The previous prime is 88161119. The next prime is 88161127. The reversal of 88161121 is 12116188.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88161121 - 2¹ = 88161119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88161121.

It is not an unprimeable number, because it can be changed into a prime (88161127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62001 + ... + 63406.

It is an arithmetic number, because the mean of its divisors is an integer number (11913760).

Almost surely, 2^88161121 is an apocalyptic number.

It is an amenable number.

88161121 is a deficient number, since it is larger than the sum of its proper divisors (7148959).

88161121 is a wasteful number, since it uses less digits than its factorization.

88161121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125463.

The product of its digits is 768, while the sum is 28.

The square root of 88161121 is about 9389.4153705116. The cubic root of 88161121 is about 445.0673146496.

The spelling of 88161121 in words is "eighty-eight million, one hundred sixty-one thousand, one hundred twenty-one".