407446121 has 2 divisors, whose sum is σ = 407446122. Its totient is φ = 407446120.

The previous prime is 407446103. The next prime is 407446129. The reversal of 407446121 is 121644704.

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., 291043600 + 116402521 = 17060^2 + 10789^2 .

It is a cyclic number.

It is not a de Polignac number, because 407446121 - 2²² = 403251817 is a prime.

It is not a weakly prime, because it can be changed into another prime (407446129) 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 as a sum of consecutive naturals, namely, 203723060 + 203723061.

It is an arithmetic number, because the mean of its divisors is an integer number (203723061).

Almost surely, 2^407446121 is an apocalyptic number.

It is an amenable number.

407446121 is a deficient number, since it is larger than the sum of its proper divisors (1).

407446121 is an equidigital number, since it uses as much as digits as its factorization.

407446121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 407446121 is about 20185.2946721122. The cubic root of 407446121 is about 741.3501774561.

The spelling of 407446121 in words is "four hundred seven million, four hundred forty-six thousand, one hundred twenty-one".