121023300 has 72 divisors (see below), whose sum is σ = 359657536. Its totient is φ = 31397760.

The previous prime is 121023299. The next prime is 121023359. The reversal of 121023300 is 3320121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5649 + ... + 16551.

Almost surely, 2^121023300 is an apocalyptic number.

121023300 is a gapful number since it is divisible by the number (10) 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 121023300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179828768).

121023300 is an abundant number, since it is smaller than the sum of its proper divisors (238634236).

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

121023300 is a wasteful number, since it uses less digits than its factorization.

121023300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10957 (or 10950 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 121023300 is about 11001.0590399288. The cubic root of 121023300 is about 494.6404899009.

Adding to 121023300 its reverse (3320121), we get a palindrome (124343421).

The spelling of 121023300 in words is "one hundred twenty-one million, twenty-three thousand, three hundred".