121235313 has 8 divisors (see below), whose sum is σ = 171155808. Its totient is φ = 76069184.

The previous prime is 121235293. The next prime is 121235321. The reversal of 121235313 is 313532121.

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

It is a cyclic number.

It is not a de Polignac number, because 121235313 - 2⁵ = 121235281 is a prime.

It is a super-2 number, since 2×121235313² = 29396002236415938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121235313.

It is not an unprimeable number, because it can be changed into a prime (121235363) by changing a digit.

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, 1188531 + ... + 1188632.

It is an arithmetic number, because the mean of its divisors is an integer number (21394476).

Almost surely, 2^121235313 is an apocalyptic number.

It is an amenable number.

121235313 is a deficient number, since it is larger than the sum of its proper divisors (49920495).

121235313 is a wasteful number, since it uses less digits than its factorization.

121235313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377183.

The product of its digits is 540, while the sum is 21.

The square root of 121235313 is about 11010.6908502600. The cubic root of 121235313 is about 494.9291644378.

Adding to 121235313 its reverse (313532121), we get a palindrome (434767434).

The spelling of 121235313 in words is "one hundred twenty-one million, two hundred thirty-five thousand, three hundred thirteen".