121328802 has 72 divisors (see below), whose sum is σ = 308161152. Its totient is φ = 34398000.

The previous prime is 121328797. The next prime is 121328807. The reversal of 121328802 is 208823121.

It is an interprime number because it is at equal distance from previous prime (121328797) and next prime (121328807).

It is not an unprimeable number, because it can be changed into a prime (121328807) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 132727 + ... + 133637.

It is an arithmetic number, because the mean of its divisors is an integer number (4280016).

Almost surely, 2^121328802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121328802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154080576).

121328802 is an abundant number, since it is smaller than the sum of its proper divisors (186832350).

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

121328802 is a wasteful number, since it uses less digits than its factorization.

121328802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 121328802 is about 11014.9354060748. The cubic root of 121328802 is about 495.0563510993.

The spelling of 121328802 in words is "one hundred twenty-one million, three hundred twenty-eight thousand, eight hundred two".