121363345 has 4 divisors (see below), whose sum is σ = 145636020. Its totient is φ = 97090672.

The previous prime is 121363339. The next prime is 121363351. The reversal of 121363345 is 543363121.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (121363339) and next prime (121363351).

It can be written as a sum of positive squares in 2 ways, for example, as 56190016 + 65173329 = 7496^2 + 8073^2 .

It is a cyclic number.

It is not a de Polignac number, because 121363345 - 2⁵ = 121363313 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 12136330 + ... + 12136339.

It is an arithmetic number, because the mean of its divisors is an integer number (36409005).

Almost surely, 2^121363345 is an apocalyptic number.

It is an amenable number.

121363345 is a deficient number, since it is larger than the sum of its proper divisors (24272675).

121363345 is an equidigital number, since it uses as much as digits as its factorization.

121363345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24272674.

The product of its digits is 6480, while the sum is 28.

The square root of 121363345 is about 11016.5033018649. The cubic root of 121363345 is about 495.1033284276.

The spelling of 121363345 in words is "one hundred twenty-one million, three hundred sixty-three thousand, three hundred forty-five".