121022328 has 64 divisors (see below), whose sum is σ = 347247360. Its totient is φ = 34430976.

The previous prime is 121022327. The next prime is 121022329. The reversal of 121022328 is 823220121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121022327) and next prime (121022329).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022327) 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, 41775 + ... + 44577.

It is an arithmetic number, because the mean of its divisors is an integer number (5425740).

Almost surely, 2^121022328 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 121022328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173623680).

121022328 is an abundant number, since it is smaller than the sum of its proper divisors (226225032).

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

121022328 is a wasteful number, since it uses less digits than its factorization.

121022328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076 (or 3072 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 121022328 is about 11001.0148622752. The cubic root of 121022328 is about 494.6391656605.

Adding to 121022328 its reverse (823220121), we get a palindrome (944242449).

The spelling of 121022328 in words is "one hundred twenty-one million, twenty-two thousand, three hundred twenty-eight".