1042685810 has 16 divisors (see below), whose sum is σ = 1907603352. Its totient is φ = 410236800.

The previous prime is 1042685771. The next prime is 1042685821. The reversal of 1042685810 is 185862401.

It can be written as a sum of positive squares in 4 ways, for example, as 820765201 + 221920609 = 28649^2 + 14897^2 .

It is a super-2 number, since 2×1042685810² = 2174387396750712200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 854051 + ... + 855270.

Almost surely, 2^1042685810 is an apocalyptic number.

1042685810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042685810 is a deficient number, since it is larger than the sum of its proper divisors (864917542).

1042685810 is a wasteful number, since it uses less digits than its factorization.

1042685810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709389.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 1042685810 is about 32290.6458591339. The cubic root of 1042685810 is about 1014.0308187384.

The spelling of 1042685810 in words is "one billion, forty-two million, six hundred eighty-five thousand, eight hundred ten".