1401943 has 2 divisors, whose sum is σ = 1401944. Its totient is φ = 1401942.

The previous prime is 1401937. The next prime is 1401949. The reversal of 1401943 is 3491041.

It is a balanced prime because it is at equal distance from previous prime (1401937) and next prime (1401949).

It is a cyclic number.

It is not a de Polignac number, because 1401943 - 2¹³ = 1393751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401949) 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, 700971 + 700972.

It is an arithmetic number, because the mean of its divisors is an integer number (700972).

2^1401943 is an apocalyptic number.

1401943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401943 is an equidigital number, since it uses as much as digits as its factorization.

1401943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1401943 is about 1184.0367392949. The cubic root of 1401943 is about 111.9206229661.

Adding to 1401943 its reverse (3491041), we get a palindrome (4892984).

The spelling of 1401943 in words is "one million, four hundred one thousand, nine hundred forty-three".