121000308 has 96 divisors (see below), whose sum is σ = 335301120. Its totient is φ = 33479040.

The previous prime is 121000301. The next prime is 121000331. The reversal of 121000308 is 803000121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183283 + ... + 183941.

It is an arithmetic number, because the mean of its divisors is an integer number (3492720).

Almost surely, 2^121000308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121000308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167650560).

121000308 is an abundant number, since it is smaller than the sum of its proper divisors (214300812).

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

121000308 is a wasteful number, since it uses less digits than its factorization.

121000308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 121000308 is about 11000.0139999911. The cubic root of 121000308 is about 494.6091639925.

Adding to 121000308 its reverse (803000121), we get a palindrome (924000429).

The spelling of 121000308 in words is "one hundred twenty-one million, three hundred eight", and thus it is an aban number.