356608121 has 2 divisors, whose sum is σ = 356608122. Its totient is φ = 356608120.

The previous prime is 356608067. The next prime is 356608127. The reversal of 356608121 is 121806653.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329930896 + 26677225 = 18164^2 + 5165^2 .

It is a cyclic number.

It is not a de Polignac number, because 356608121 - 2¹⁴ = 356591737 is a prime.

It is not a weakly prime, because it can be changed into another prime (356608127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178304060 + 178304061.

It is an arithmetic number, because the mean of its divisors is an integer number (178304061).

Almost surely, 2^356608121 is an apocalyptic number.

It is an amenable number.

356608121 is a deficient number, since it is larger than the sum of its proper divisors (1).

356608121 is an equidigital number, since it uses as much as digits as its factorization.

356608121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 356608121 is about 18884.0705622490. The cubic root of 356608121 is about 709.1374309779.

The spelling of 356608121 in words is "three hundred fifty-six million, six hundred eight thousand, one hundred twenty-one".