1066903 has 8 divisors (see below), whose sum is σ = 1143072. Its totient is φ = 992256.

The previous prime is 1066889. The next prime is 1066909. The reversal of 1066903 is 3096601.

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

It is not a de Polignac number, because 1066903 - 2¹³ = 1058711 is a prime.

It is a super-2 number, since 2×1066903² = 2276564022818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1326 + ... + 1972.

It is an arithmetic number, because the mean of its divisors is an integer number (142884).

2^1066903 is an apocalyptic number.

1066903 is a deficient number, since it is larger than the sum of its proper divisors (76169).

1066903 is an equidigital number, since it uses as much as digits as its factorization.

1066903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1066903 is about 1032.9099670349. The cubic root of 1066903 is about 102.1821364478.

The spelling of 1066903 in words is "one million, sixty-six thousand, nine hundred three".