1003138 has 8 divisors (see below), whose sum is σ = 1523088. Its totient is φ = 495444.

The previous prime is 1003133. The next prime is 1003141. The reversal of 1003138 is 8313001.

1003138 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 not an unprimeable number, because it can be changed into a prime (1003133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2856 + ... + 3187.

It is an arithmetic number, because the mean of its divisors is an integer number (190386).

2^1003138 is an apocalyptic number.

1003138 is a deficient number, since it is larger than the sum of its proper divisors (519950).

1003138 is an equidigital number, since it uses as much as digits as its factorization.

1003138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1003138 is about 1001.5677710470. The cubic root of 1003138 is about 100.1044907787.

Adding to 1003138 its reverse (8313001), we get a palindrome (9316139).

The spelling of 1003138 in words is "one million, three thousand, one hundred thirty-eight".