1431401 has 4 divisors (see below), whose sum is σ = 1449600. Its totient is φ = 1413204.

The previous prime is 1431389. The next prime is 1431413. The reversal of 1431401 is 1041341.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1041341 = 7 ⋅148763.

It is an interprime number because it is at equal distance from previous prime (1431389) and next prime (1431413).

It is a cyclic number.

It is not a de Polignac number, because 1431401 - 2⁶ = 1431337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1431421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8981 + ... + 9138.

It is an arithmetic number, because the mean of its divisors is an integer number (362400).

2^1431401 is an apocalyptic number.

It is an amenable number.

1431401 is a deficient number, since it is larger than the sum of its proper divisors (18199).

1431401 is an equidigital number, since it uses as much as digits as its factorization.

1431401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18198.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1431401 is about 1196.4117184314. The cubic root of 1431401 is about 112.6990976435.

Adding to 1431401 its reverse (1041341), we get a palindrome (2472742).

The spelling of 1431401 in words is "one million, four hundred thirty-one thousand, four hundred one".