121667313 has 8 divisors (see below), whose sum is σ = 162360000. Its totient is φ = 81043088.

The previous prime is 121667303. The next prime is 121667321. The reversal of 121667313 is 313766121.

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 121667313 - 2⁸ = 121667057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121667303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12813 + ... + 20186.

It is an arithmetic number, because the mean of its divisors is an integer number (20295000).

Almost surely, 2^121667313 is an apocalyptic number.

It is an amenable number.

121667313 is a deficient number, since it is larger than the sum of its proper divisors (40692687).

121667313 is a wasteful number, since it uses less digits than its factorization.

121667313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34231.

The product of its digits is 4536, while the sum is 30.

The square root of 121667313 is about 11030.2907033314. The cubic root of 121667313 is about 495.5163309388.

The spelling of 121667313 in words is "one hundred twenty-one million, six hundred sixty-seven thousand, three hundred thirteen".