456122749 has 2 divisors, whose sum is σ = 456122750. Its totient is φ = 456122748.

The previous prime is 456122669. The next prime is 456122833. The reversal of 456122749 is 947221654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266179225 + 189943524 = 16315^2 + 13782^2 .

It is a cyclic number.

It is not a de Polignac number, because 456122749 - 2⁷ = 456122621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456122449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228061374 + 228061375.

It is an arithmetic number, because the mean of its divisors is an integer number (228061375).

Almost surely, 2^456122749 is an apocalyptic number.

It is an amenable number.

456122749 is a deficient number, since it is larger than the sum of its proper divisors (1).

456122749 is an equidigital number, since it uses as much as digits as its factorization.

456122749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 456122749 is about 21357.0304349645. The cubic root of 456122749 is about 769.7692843378.

The spelling of 456122749 in words is "four hundred fifty-six million, one hundred twenty-two thousand, seven hundred forty-nine".