1499401 has 4 divisors (see below), whose sum is σ = 1505092. Its totient is φ = 1493712.

The previous prime is 1499389. The next prime is 1499413. The reversal of 1499401 is 1049941.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1499389) and next prime (1499413).

It can be written as a sum of positive squares in 2 ways, for example, as 291600 + 1207801 = 540^2 + 1099^2 .

It is a cyclic number.

It is not a de Polignac number, because 1499401 - 2⁵ = 1499369 is a prime.

It is the 1225-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1499401.

It is not an unprimeable number, because it can be changed into a prime (1499471) by changing a digit.

It is a nontrivial repunit in base 1224.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2430 + ... + 2983.

It is an arithmetic number, because the mean of its divisors is an integer number (376273).

2^1499401 is an apocalyptic number.

It is an amenable number.

1499401 is a deficient number, since it is larger than the sum of its proper divisors (5691).

1499401 is an equidigital number, since it uses as much as digits as its factorization.

1499401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1499401 is about 1224.5003062474. The cubic root of 1499401 is about 114.4561848081.

It can be divided in two parts, 149940 and 1, that added together give a palindrome (149941).

The spelling of 1499401 in words is "one million, four hundred ninety-nine thousand, four hundred one".