121323667 has 8 divisors (see below), whose sum is σ = 123318272. Its totient is φ = 119334600.

The previous prime is 121323661. The next prime is 121323701. The reversal of 121323667 is 766323121.

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 121323667 - 2³ = 121323659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121323661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81742 + ... + 83212.

It is an arithmetic number, because the mean of its divisors is an integer number (15414784).

Almost surely, 2^121323667 is an apocalyptic number.

121323667 is a deficient number, since it is larger than the sum of its proper divisors (1994605).

121323667 is a wasteful number, since it uses less digits than its factorization.

121323667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769.

The product of its digits is 9072, while the sum is 31.

The square root of 121323667 is about 11014.7023110023. The cubic root of 121323667 is about 495.0493669092.

Adding to 121323667 its reverse (766323121), we get a palindrome (887646788).

The spelling of 121323667 in words is "one hundred twenty-one million, three hundred twenty-three thousand, six hundred sixty-seven".