121000306 has 24 divisors (see below), whose sum is σ = 213520860. Its totient is φ = 51270912.

The previous prime is 121000301. The next prime is 121000331. The reversal of 121000306 is 603000121.

It can be written as a sum of positive squares in 2 ways, for example, as 116964225 + 4036081 = 10815^2 + 2009^2 .

It is not an unprimeable number, because it can be changed into a prime (121000301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1786 + ... + 15658.

Almost surely, 2^121000306 is an apocalyptic number.

121000306 is a deficient number, since it is larger than the sum of its proper divisors (92520554).

121000306 is a wasteful number, since it uses less digits than its factorization.

121000306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13978 (or 13971 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121000306 is about 11000.0139090821. The cubic root of 121000306 is about 494.6091612674.

Adding to 121000306 its reverse (603000121), we get a palindrome (724000427).

The spelling of 121000306 in words is "one hundred twenty-one million, three hundred six", and thus it is an aban number.