457332121 has 2 divisors, whose sum is σ = 457332122. Its totient is φ = 457332120.

The previous prime is 457332077. The next prime is 457332143. The reversal of 457332121 is 121233754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366339600 + 90992521 = 19140^2 + 9539^2 .

It is a cyclic number.

It is not a de Polignac number, because 457332121 - 2⁷ = 457331993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 457332121.

It is not a weakly prime, because it can be changed into another prime (457339121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228666060 + 228666061.

It is an arithmetic number, because the mean of its divisors is an integer number (228666061).

Almost surely, 2^457332121 is an apocalyptic number.

It is an amenable number.

457332121 is a deficient number, since it is larger than the sum of its proper divisors (1).

457332121 is an equidigital number, since it uses as much as digits as its factorization.

457332121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 457332121 is about 21385.3248981632. The cubic root of 457332121 is about 770.4490106196.

Adding to 457332121 its reverse (121233754), we get a palindrome (578565875).

The spelling of 457332121 in words is "four hundred fifty-seven million, three hundred thirty-two thousand, one hundred twenty-one".