121056307 has 2 divisors, whose sum is σ = 121056308. Its totient is φ = 121056306.

The previous prime is 121056301. The next prime is 121056319. The reversal of 121056307 is 703650121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121056307 - 2¹¹ = 121054259 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (121056301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60528153 + 60528154.

It is an arithmetic number, because the mean of its divisors is an integer number (60528154).

Almost surely, 2^121056307 is an apocalyptic number.

121056307 is a deficient number, since it is larger than the sum of its proper divisors (1).

121056307 is an equidigital number, since it uses as much as digits as its factorization.

121056307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 121056307 is about 11002.5591114068. The cubic root of 121056307 is about 494.6854540101.

The spelling of 121056307 in words is "one hundred twenty-one million, fifty-six thousand, three hundred seven".