121461303450 has 24 divisors (see below), whose sum is σ = 301224032928. Its totient is φ = 32389680880.

The previous prime is 121461303437. The next prime is 121461303479. The reversal of 121461303450 is 54303164121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404870862 + ... + 404871161.

It is an arithmetic number, because the mean of its divisors is an integer number (12551001372).

Almost surely, 2^121461303450 is an apocalyptic number.

121461303450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121461303450 is an abundant number, since it is smaller than the sum of its proper divisors (179762729478).

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

121461303450 is a wasteful number, since it uses less digits than its factorization.

121461303450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809742038 (or 809742033 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 121461303450 its reverse (54303164121), we get a palindrome (175764467571).

The spelling of 121461303450 in words is "one hundred twenty-one billion, four hundred sixty-one million, three hundred three thousand, four hundred fifty".