121130568 has 96 divisors (see below), whose sum is σ = 356428800. Its totient is φ = 36941184.

The previous prime is 121130561. The next prime is 121130617. The reversal of 121130568 is 865031121.

It is a super-2 number, since 2×121130568² = 29345229008005248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121130561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118363 + ... + 119381.

It is an arithmetic number, because the mean of its divisors is an integer number (3712800).

Almost surely, 2^121130568 is an apocalyptic number.

121130568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121130568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178214400).

121130568 is an abundant number, since it is smaller than the sum of its proper divisors (235298232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121130568 is a wasteful number, since it uses less digits than its factorization.

121130568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 121130568 is about 11005.9333089021. The cubic root of 121130568 is about 494.7865869131.

Adding to 121130568 its reverse (865031121), we get a palindrome (986161689).

The spelling of 121130568 in words is "one hundred twenty-one million, one hundred thirty thousand, five hundred sixty-eight".