121122413 has 2 divisors, whose sum is σ = 121122414. Its totient is φ = 121122412.

The previous prime is 121122401. The next prime is 121122493. The reversal of 121122413 is 314221121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94051204 + 27071209 = 9698^2 + 5203^2 .

It is a cyclic number.

It is not a de Polignac number, because 121122413 - 2¹⁰ = 121121389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121122391 and 121122400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121122493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561206 + 60561207.

It is an arithmetic number, because the mean of its divisors is an integer number (60561207).

Almost surely, 2^121122413 is an apocalyptic number.

It is an amenable number.

121122413 is a deficient number, since it is larger than the sum of its proper divisors (1).

121122413 is an equidigital number, since it uses as much as digits as its factorization.

121122413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 17.

The square root of 121122413 is about 11005.5628206830. The cubic root of 121122413 is about 494.7754829855.

Adding to 121122413 its reverse (314221121), we get a palindrome (435343534).

The spelling of 121122413 in words is "one hundred twenty-one million, one hundred twenty-two thousand, four hundred thirteen".