456144121 has 2 divisors, whose sum is σ = 456144122. Its totient is φ = 456144120.

The previous prime is 456144097. The next prime is 456144131. The reversal of 456144121 is 121441654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321700096 + 134444025 = 17936^2 + 11595^2 .

It is a cyclic number.

It is not a de Polignac number, because 456144121 - 2⁷ = 456143993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 456144121.

It is not a weakly prime, because it can be changed into another prime (456144131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228072060 + 228072061.

It is an arithmetic number, because the mean of its divisors is an integer number (228072061).

Almost surely, 2^456144121 is an apocalyptic number.

It is an amenable number.

456144121 is a deficient number, since it is larger than the sum of its proper divisors (1).

456144121 is an equidigital number, since it uses as much as digits as its factorization.

456144121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

The square root of 456144121 is about 21357.5307795634. The cubic root of 456144121 is about 769.7813068706.

Adding to 456144121 its reverse (121441654), we get a palindrome (577585775).

The spelling of 456144121 in words is "four hundred fifty-six million, one hundred forty-four thousand, one hundred twenty-one".