1338001 has 4 divisors (see below), whose sum is σ = 1529152. Its totient is φ = 1146852.

The previous prime is 1337989. The next prime is 1338013. The reversal of 1338001 is 1008331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1337989) and next prime (1338013).

It is not a de Polignac number, because 1338001 - 2⁵ = 1337969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338041) 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, 95565 + ... + 95578.

It is an arithmetic number, because the mean of its divisors is an integer number (382288).

2^1338001 is an apocalyptic number.

It is an amenable number.

1338001 is a deficient number, since it is larger than the sum of its proper divisors (191151).

1338001 is an equidigital number, since it uses as much as digits as its factorization.

1338001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191150.

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

The square root of 1338001 is about 1156.7199315305. The cubic root of 1338001 is about 110.1925278447.

The spelling of 1338001 in words is "one million, three hundred thirty-eight thousand, one".