121150254 has 8 divisors (see below), whose sum is σ = 242300520. Its totient is φ = 40383416.

The previous prime is 121150229. The next prime is 121150259. The reversal of 121150254 is 452051121.

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

121150254 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 121150254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121150259) 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, 10095849 + ... + 10095860.

It is an arithmetic number, because the mean of its divisors is an integer number (30287565).

Almost surely, 2^121150254 is an apocalyptic number.

121150254 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.

121150254 is a wasteful number, since it uses less digits than its factorization.

121150254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191714.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 121150254 is about 11006.8276083529. The cubic root of 121150254 is about 494.8133895094.

The spelling of 121150254 in words is "one hundred twenty-one million, one hundred fifty thousand, two hundred fifty-four".