121365485 has 4 divisors (see below), whose sum is σ = 145638588. Its totient is φ = 97092384.

The previous prime is 121365481. The next prime is 121365511. The reversal of 121365485 is 584563121.

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 14160169 + 107205316 = 3763^2 + 10354^2 .

It is a cyclic number.

It is not a de Polignac number, because 121365485 - 2² = 121365481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121365481) 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 3 ways as a sum of consecutive naturals, for example, 12136544 + ... + 12136553.

It is an arithmetic number, because the mean of its divisors is an integer number (36409647).

Almost surely, 2^121365485 is an apocalyptic number.

It is an amenable number.

121365485 is a deficient number, since it is larger than the sum of its proper divisors (24273103).

121365485 is an equidigital number, since it uses as much as digits as its factorization.

121365485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24273102.

The product of its digits is 28800, while the sum is 35.

The square root of 121365485 is about 11016.6004284443. The cubic root of 121365485 is about 495.1062384630.

The spelling of 121365485 in words is "one hundred twenty-one million, three hundred sixty-five thousand, four hundred eighty-five".