1042685263 has 4 divisors (see below), whose sum is σ = 1042943008. Its totient is φ = 1042427520.

The previous prime is 1042685257. The next prime is 1042685269. The reversal of 1042685263 is 3625862401.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1042685257) and next prime (1042685269).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042685263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042685269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122706 + ... + 130927.

It is an arithmetic number, because the mean of its divisors is an integer number (260735752).

Almost surely, 2^1042685263 is an apocalyptic number.

1042685263 is a deficient number, since it is larger than the sum of its proper divisors (257745).

1042685263 is an equidigital number, since it uses as much as digits as its factorization.

1042685263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257744.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1042685263 is about 32290.6373891876. The cubic root of 1042685263 is about 1014.0306414159.

The spelling of 1042685263 in words is "one billion, forty-two million, six hundred eighty-five thousand, two hundred sixty-three".