1490001 has 8 divisors (see below), whose sum is σ = 1994304. Its totient is φ = 989520.

The previous prime is 1489997. The next prime is 1490011. The reversal of 1490001 is 1000941.

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

It is not a de Polignac number, because 1490001 - 2² = 1489997 is a prime.

1490001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1490011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135 + ... + 1731.

It is an arithmetic number, because the mean of its divisors is an integer number (249288).

2^1490001 is an apocalyptic number.

It is an amenable number.

1490001 is a deficient number, since it is larger than the sum of its proper divisors (504303).

1490001 is a wasteful number, since it uses less digits than its factorization.

1490001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1490001 is about 1220.6559711893. The cubic root of 1490001 is about 114.2165014703.

Adding to 1490001 its reverse (1000941), we get a palindrome (2490942).

The spelling of 1490001 in words is "one million, four hundred ninety thousand, one".