121214473 has 2 divisors, whose sum is σ = 121214474. Its totient is φ = 121214472.

The previous prime is 121214447. The next prime is 121214477. The reversal of 121214473 is 374412121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112529664 + 8684809 = 10608^2 + 2947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121214473 is a prime.

It is not a weakly prime, because it can be changed into another prime (121214477) 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 as a sum of consecutive naturals, namely, 60607236 + 60607237.

It is an arithmetic number, because the mean of its divisors is an integer number (60607237).

Almost surely, 2^121214473 is an apocalyptic number.

It is an amenable number.

121214473 is a deficient number, since it is larger than the sum of its proper divisors (1).

121214473 is an equidigital number, since it uses as much as digits as its factorization.

121214473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 121214473 is about 11009.7444566166. The cubic root of 121214473 is about 494.9008038483.

Adding to 121214473 its reverse (374412121), we get a palindrome (495626594).

The spelling of 121214473 in words is "one hundred twenty-one million, two hundred fourteen thousand, four hundred seventy-three".