121363579 has 8 divisors (see below), whose sum is σ = 125771760. Its totient is φ = 116970336.

The previous prime is 121363549. The next prime is 121363591. The reversal of 121363579 is 975363121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121363579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121363549) 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 7 ways as a sum of consecutive naturals, for example, 14364 + ... + 21190.

It is an arithmetic number, because the mean of its divisors is an integer number (15721470).

Almost surely, 2^121363579 is an apocalyptic number.

121363579 is a deficient number, since it is larger than the sum of its proper divisors (4408181).

121363579 is an equidigital number, since it uses as much as digits as its factorization.

121363579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7469.

The product of its digits is 34020, while the sum is 37.

The square root of 121363579 is about 11016.5139222896. The cubic root of 121363579 is about 495.1036466294.

The spelling of 121363579 in words is "one hundred twenty-one million, three hundred sixty-three thousand, five hundred seventy-nine".