121368285 has 12 divisors (see below), whose sum is σ = 210371772. Its totient is φ = 64729728.

The previous prime is 121368271. The next prime is 121368293. The reversal of 121368285 is 582863121.

It is a happy number.

121368285 is a `hidden beast` number, since 12 + 1 + 368 + 285 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59305401 + 62062884 = 7701^2 + 7878^2 .

It is not a de Polignac number, because 121368285 - 2⁷ = 121368157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1348492 + ... + 1348581.

It is an arithmetic number, because the mean of its divisors is an integer number (17530981).

Almost surely, 2^121368285 is an apocalyptic number.

121368285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121368285 is a deficient number, since it is larger than the sum of its proper divisors (89003487).

121368285 is a wasteful number, since it uses less digits than its factorization.

121368285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697084 (or 2697081 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 121368285 is about 11016.7275086570. The cubic root of 121368285 is about 495.1100459343.

The spelling of 121368285 in words is "one hundred twenty-one million, three hundred sixty-eight thousand, two hundred eighty-five".