121340379 has 16 divisors (see below), whose sum is σ = 167749920. Its totient is φ = 77925120.

The previous prime is 121340369. The next prime is 121340393. The reversal of 121340379 is 973043121.

It is not a de Polignac number, because 121340379 - 2⁵ = 121340347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121340369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43989 + ... + 46665.

It is an arithmetic number, because the mean of its divisors is an integer number (10484370).

Almost surely, 2^121340379 is an apocalyptic number.

121340379 is a deficient number, since it is larger than the sum of its proper divisors (46409541).

121340379 is a wasteful number, since it uses less digits than its factorization.

121340379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 121340379 is about 11015.4609072884. The cubic root of 121340379 is about 495.0720964266.

The spelling of 121340379 in words is "one hundred twenty-one million, three hundred forty thousand, three hundred seventy-nine".