121541300 has 72 divisors (see below), whose sum is σ = 274294944. Its totient is φ = 46707840.

The previous prime is 121541281. The next prime is 121541333. The reversal of 121541300 is 3145121.

It is a congruent number.

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, 395747 + ... + 396053.

It is an arithmetic number, because the mean of its divisors is an integer number (3809652).

Almost surely, 2^121541300 is an apocalyptic number.

121541300 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 121541300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137147472).

121541300 is an abundant number, since it is smaller than the sum of its proper divisors (152753644).

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

121541300 is a wasteful number, since it uses less digits than its factorization.

121541300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 121541300 is about 11024.5770893944. The cubic root of 121541300 is about 495.3452001518.

Adding to 121541300 its reverse (3145121), we get a palindrome (124686421).

The spelling of 121541300 in words is "one hundred twenty-one million, five hundred forty-one thousand, three hundred".