306450121 has 16 divisors (see below), whose sum is σ = 319285120. Its totient is φ = 293932800.

The previous prime is 306450119. The next prime is 306450127. The reversal of 306450121 is 121054603.

It is a cyclic number.

It is not a de Polignac number, because 306450121 - 2¹ = 306450119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 306450092 and 306450101.

It is not an unprimeable number, because it can be changed into a prime (306450127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707521 + ... + 707953.

It is an arithmetic number, because the mean of its divisors is an integer number (19955320).

Almost surely, 2^306450121 is an apocalyptic number.

It is an amenable number.

306450121 is a deficient number, since it is larger than the sum of its proper divisors (12834999).

306450121 is a wasteful number, since it uses less digits than its factorization.

306450121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 306450121 is about 17505.7168090884. The cubic root of 306450121 is about 674.1966636937.

The spelling of 306450121 in words is "three hundred six million, four hundred fifty thousand, one hundred twenty-one".