121446379 has 4 divisors (see below), whose sum is σ = 121712584. Its totient is φ = 121180176.

The previous prime is 121446361. The next prime is 121446389. The reversal of 121446379 is 973644121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973644121 = 10273 ⋅94777.

It is a cyclic number.

It is not a de Polignac number, because 121446379 - 2⁹ = 121445867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121446349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132417 + ... + 133330.

It is an arithmetic number, because the mean of its divisors is an integer number (30428146).

Almost surely, 2^121446379 is an apocalyptic number.

121446379 is a deficient number, since it is larger than the sum of its proper divisors (266205).

121446379 is an equidigital number, since it uses as much as digits as its factorization.

121446379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266204.

The product of its digits is 36288, while the sum is 37.

The square root of 121446379 is about 11020.2712761529. The cubic root of 121446379 is about 495.2162154439.

The spelling of 121446379 in words is "one hundred twenty-one million, four hundred forty-six thousand, three hundred seventy-nine".