1040760257 has 4 divisors (see below), whose sum is σ = 1051064916. Its totient is φ = 1030455600.

The previous prime is 1040760251. The next prime is 1040760271. The reversal of 1040760257 is 7520670401.

1040760257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7520670401 = 31 ⋅242602271.

It can be written as a sum of positive squares in 2 ways, for example, as 759057601 + 281702656 = 27551^2 + 16784^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040760257 - 2¹² = 1040756161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040760251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5152178 + ... + 5152379.

It is an arithmetic number, because the mean of its divisors is an integer number (262766229).

Almost surely, 2^1040760257 is an apocalyptic number.

It is an amenable number.

1040760257 is a deficient number, since it is larger than the sum of its proper divisors (10304659).

1040760257 is a wasteful number, since it uses less digits than its factorization.

1040760257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10304658.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 1040760257 is about 32260.8161242086. The cubic root of 1040760257 is about 1013.4062223823.

The spelling of 1040760257 in words is "one billion, forty million, seven hundred sixty thousand, two hundred fifty-seven".