1401403 has 2 divisors, whose sum is σ = 1401404. Its totient is φ = 1401402.

The previous prime is 1401401. The next prime is 1401409. The reversal of 1401403 is 3041041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1401403 - 2¹ = 1401401 is a prime.

Together with 1401401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1401401) 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 as a sum of consecutive naturals, namely, 700701 + 700702.

It is an arithmetic number, because the mean of its divisors is an integer number (700702).

2^1401403 is an apocalyptic number.

1401403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401403 is an equidigital number, since it uses as much as digits as its factorization.

1401403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1401403 is about 1183.8086838675. The cubic root of 1401403 is about 111.9062512696.

Adding to 1401403 its reverse (3041041), we get a palindrome (4442444).

The spelling of 1401403 in words is "one million, four hundred one thousand, four hundred three".