121304154 has 8 divisors (see below), whose sum is σ = 242608320. Its totient is φ = 40434716.

The previous prime is 121304153. The next prime is 121304159. The reversal of 121304154 is 451403121.

It is a sphenic number, since it is the product of 3 distinct primes.

121304154 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 121304154.

It is not an unprimeable number, because it can be changed into a prime (121304153) 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, 10108674 + ... + 10108685.

It is an arithmetic number, because the mean of its divisors is an integer number (30326040).

Almost surely, 2^121304154 is an apocalyptic number.

121304154 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.

121304154 is a wasteful number, since it uses less digits than its factorization.

121304154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20217364.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 121304154 is about 11013.8165047362. The cubic root of 121304154 is about 495.0228251897.

Adding to 121304154 its reverse (451403121), we get a palindrome (572707275).

The spelling of 121304154 in words is "one hundred twenty-one million, three hundred four thousand, one hundred fifty-four".