121213467 has 6 divisors (see below), whose sum is σ = 175086132. Its totient is φ = 80808972.

The previous prime is 121213453. The next prime is 121213471. The reversal of 121213467 is 764312121.

It is not a de Polignac number, because 121213467 - 2⁶ = 121213403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121213467.

It is not an unprimeable number, because it can be changed into a prime (121213667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6734073 + ... + 6734090.

It is an arithmetic number, because the mean of its divisors is an integer number (29181022).

Almost surely, 2^121213467 is an apocalyptic number.

121213467 is a deficient number, since it is larger than the sum of its proper divisors (53872665).

121213467 is a wasteful number, since it uses less digits than its factorization.

121213467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13468169 (or 13468166 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 121213467 is about 11009.6987697212. The cubic root of 121213467 is about 494.8994347280.

Adding to 121213467 its reverse (764312121), we get a palindrome (885525588).

It can be divided in two parts, 1212134 and 67, that added together give a square (1212201 = 1101²).

The spelling of 121213467 in words is "one hundred twenty-one million, two hundred thirteen thousand, four hundred sixty-seven".