600661121 has 2 divisors, whose sum is σ = 600661122. Its totient is φ = 600661120.

The previous prime is 600661093. The next prime is 600661133. The reversal of 600661121 is 121166006.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556252225 + 44408896 = 23585^2 + 6664^2 .

It is a cyclic number.

It is not a de Polignac number, because 600661121 - 2⁶ = 600661057 is a prime.

It is not a weakly prime, because it can be changed into another prime (600661141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300330560 + 300330561.

It is an arithmetic number, because the mean of its divisors is an integer number (300330561).

Almost surely, 2^600661121 is an apocalyptic number.

It is an amenable number.

600661121 is a deficient number, since it is larger than the sum of its proper divisors (1).

600661121 is an equidigital number, since it uses as much as digits as its factorization.

600661121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 600661121 is about 24508.3887883312. The cubic root of 600661121 is about 843.7423355061.

The spelling of 600661121 in words is "six hundred million, six hundred sixty-one thousand, one hundred twenty-one".