1144760257 has 2 divisors, whose sum is σ = 1144760258. Its totient is φ = 1144760256.

The previous prime is 1144760179. The next prime is 1144760273. The reversal of 1144760257 is 7520674411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985394881 + 159365376 = 31391^2 + 12624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144760257 - 2⁷ = 1144760129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144760957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572380128 + 572380129.

It is an arithmetic number, because the mean of its divisors is an integer number (572380129).

Almost surely, 2^1144760257 is an apocalyptic number.

It is an amenable number.

1144760257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144760257 is an equidigital number, since it uses as much as digits as its factorization.

1144760257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 1144760257 is about 33834.3059186974. The cubic root of 1144760257 is about 1046.0959350192.

The spelling of 1144760257 in words is "one billion, one hundred forty-four million, seven hundred sixty thousand, two hundred fifty-seven".