1042043986 has 8 divisors (see below), whose sum is σ = 1563585804. Its totient is φ = 520848720.

The previous prime is 1042043953. The next prime is 1042044007. The reversal of 1042043986 is 6893402401.

It can be written as a sum of positive squares in 2 ways, for example, as 1038063961 + 3980025 = 32219^2 + 1995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78985 + ... + 91228.

Almost surely, 2^1042043986 is an apocalyptic number.

1042043986 is a deficient number, since it is larger than the sum of its proper divisors (521541818).

1042043986 is a wasteful number, since it uses less digits than its factorization.

1042043986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173276.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1042043986 is about 32280.7060951275. The cubic root of 1042043986 is about 1013.8227142149.

The spelling of 1042043986 in words is "one billion, forty-two million, forty-three thousand, nine hundred eighty-six".