121046729 has 2 divisors, whose sum is σ = 121046730. Its totient is φ = 121046728.

The previous prime is 121046713. The next prime is 121046747. The reversal of 121046729 is 927640121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120406729 + 640000 = 10973^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 121046729 - 2⁴ = 121046713 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121046695 and 121046704.

It is not a weakly prime, because it can be changed into another prime (121043729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60523364 + 60523365.

It is an arithmetic number, because the mean of its divisors is an integer number (60523365).

Almost surely, 2^121046729 is an apocalyptic number.

It is an amenable number.

121046729 is a deficient number, since it is larger than the sum of its proper divisors (1).

121046729 is an equidigital number, since it uses as much as digits as its factorization.

121046729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 121046729 is about 11002.1238404228. The cubic root of 121046729 is about 494.6724071275.

The spelling of 121046729 in words is "one hundred twenty-one million, forty-six thousand, seven hundred twenty-nine".