121620467 has 2 divisors, whose sum is σ = 121620468. Its totient is φ = 121620466.

The previous prime is 121620449. The next prime is 121620503. The reversal of 121620467 is 764026121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121620467 - 2²⁴ = 104843251 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (121620167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60810233 + 60810234.

It is an arithmetic number, because the mean of its divisors is an integer number (60810234).

Almost surely, 2^121620467 is an apocalyptic number.

121620467 is a deficient number, since it is larger than the sum of its proper divisors (1).

121620467 is an equidigital number, since it uses as much as digits as its factorization.

121620467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 121620467 is about 11028.1669827764. The cubic root of 121620467 is about 495.4527259673.

Adding to 121620467 its reverse (764026121), we get a palindrome (885646588).

The spelling of 121620467 in words is "one hundred twenty-one million, six hundred twenty thousand, four hundred sixty-seven".