121623467 has 4 divisors (see below), whose sum is σ = 138998256. Its totient is φ = 104248680.

The previous prime is 121623449. The next prime is 121623487. The reversal of 121623467 is 764326121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764326121 = 13 ⋅58794317.

It is a cyclic number.

It is not a de Polignac number, because 121623467 - 2¹² = 121619371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121623487) 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, 8687384 + ... + 8687397.

It is an arithmetic number, because the mean of its divisors is an integer number (34749564).

Almost surely, 2^121623467 is an apocalyptic number.

121623467 is a deficient number, since it is larger than the sum of its proper divisors (17374789).

121623467 is an equidigital number, since it uses as much as digits as its factorization.

121623467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17374788.

The product of its digits is 12096, while the sum is 32.

The square root of 121623467 is about 11028.3029972884. The cubic root of 121623467 is about 495.4567996949.

Adding to 121623467 its reverse (764326121), we get a palindrome (885949588).

The spelling of 121623467 in words is "one hundred twenty-one million, six hundred twenty-three thousand, four hundred sixty-seven".