121550324 has 12 divisors (see below), whose sum is σ = 243100704. Its totient is φ = 52092984.

The previous prime is 121550311. The next prime is 121550327. The reversal of 121550324 is 423055121.

121550324 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 121550324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121550327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170514 + ... + 2170569.

It is an arithmetic number, because the mean of its divisors is an integer number (20258392).

Almost surely, 2^121550324 is an apocalyptic number.

121550324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121550324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121550324 is a wasteful number, since it uses less digits than its factorization.

121550324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341094 (or 4341092 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 121550324 is about 11024.9863491979. The cubic root of 121550324 is about 495.3574590423.

The spelling of 121550324 in words is "one hundred twenty-one million, five hundred fifty thousand, three hundred twenty-four".