1009867442 has 8 divisors (see below), whose sum is σ = 1594527600. Its totient is φ = 478358244.

The previous prime is 1009867403. The next prime is 1009867457. The reversal of 1009867442 is 2447689001.

1009867442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1009867442.

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, 13287692 + ... + 13287767.

It is an arithmetic number, because the mean of its divisors is an integer number (199315950).

Almost surely, 2^1009867442 is an apocalyptic number.

1009867442 is a deficient number, since it is larger than the sum of its proper divisors (584660158).

1009867442 is a wasteful number, since it uses less digits than its factorization.

1009867442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26575480.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1009867442 is about 31778.4115713797. The cubic root of 1009867442 is about 1003.2783877618.

The spelling of 1009867442 in words is "one billion, nine million, eight hundred sixty-seven thousand, four hundred forty-two".