121119305 has 8 divisors (see below), whose sum is σ = 153892872. Its totient is φ = 91195648.

The previous prime is 121119287. The next prime is 121119307. The reversal of 121119305 is 503911121.

It can be written as a sum of positive squares in 4 ways, for example, as 50239744 + 70879561 = 7088^2 + 8419^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 121119305 - 2¹⁰ = 121118281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121119307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712382 + ... + 712551.

It is an arithmetic number, because the mean of its divisors is an integer number (19236609).

Almost surely, 2^121119305 is an apocalyptic number.

It is an amenable number.

121119305 is a deficient number, since it is larger than the sum of its proper divisors (32773567).

121119305 is a wasteful number, since it uses less digits than its factorization.

121119305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424955.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 121119305 is about 11005.4216184570. The cubic root of 121119305 is about 494.7712509712.

The spelling of 121119305 in words is "one hundred twenty-one million, one hundred nineteen thousand, three hundred five".