121044245 has 8 divisors (see below), whose sum is σ = 166003584. Its totient is φ = 83001744.

The previous prime is 121044229. The next prime is 121044251. The reversal of 121044245 is 542440121.

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

It is not a de Polignac number, because 121044245 - 2⁴ = 121044229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121044245.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1729169 + ... + 1729238.

It is an arithmetic number, because the mean of its divisors is an integer number (20750448).

Almost surely, 2^121044245 is an apocalyptic number.

It is an amenable number.

121044245 is a deficient number, since it is larger than the sum of its proper divisors (44959339).

121044245 is an equidigital number, since it uses as much as digits as its factorization.

121044245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458419.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 121044245 is about 11002.0109525486. The cubic root of 121044245 is about 494.6690233801.

Adding to 121044245 its reverse (542440121), we get a palindrome (663484366).

The spelling of 121044245 in words is "one hundred twenty-one million, forty-four thousand, two hundred forty-five".