121478358 has 32 divisors (see below), whose sum is σ = 245984256. Its totient is φ = 39991968.

The previous prime is 121478353. The next prime is 121478377. The reversal of 121478358 is 853874121.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121478353) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 217816 + ... + 218372.

It is an arithmetic number, because the mean of its divisors is an integer number (7687008).

Almost surely, 2^121478358 is an apocalyptic number.

121478358 is an abundant number, since it is smaller than the sum of its proper divisors (124505898).

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

121478358 is a wasteful number, since it uses less digits than its factorization.

121478358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its digits is 53760, while the sum is 39.

The square root of 121478358 is about 11021.7220977486. The cubic root of 121478358 is about 495.2596780532.

The spelling of 121478358 in words is "one hundred twenty-one million, four hundred seventy-eight thousand, three hundred fifty-eight".