121244885 has 4 divisors (see below), whose sum is σ = 145493868. Its totient is φ = 96995904.

The previous prime is 121244861. The next prime is 121244899. The reversal of 121244885 is 588442121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21104836 + 100140049 = 4594^2 + 10007^2 .

It is a cyclic number.

It is not a de Polignac number, because 121244885 - 2¹⁴ = 121228501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12124484 + ... + 12124493.

It is an arithmetic number, because the mean of its divisors is an integer number (36373467).

Almost surely, 2^121244885 is an apocalyptic number.

It is an amenable number.

121244885 is a deficient number, since it is larger than the sum of its proper divisors (24248983).

121244885 is an equidigital number, since it uses as much as digits as its factorization.

121244885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24248982.

The product of its digits is 20480, while the sum is 35.

The square root of 121244885 is about 11011.1255101375. The cubic root of 121244885 is about 494.9421896232.

The spelling of 121244885 in words is "one hundred twenty-one million, two hundred forty-four thousand, eight hundred eighty-five".