1401063 has 4 divisors (see below), whose sum is σ = 1868088. Its totient is φ = 934040.

The previous prime is 1401053. The next prime is 1401067. The reversal of 1401063 is 3601041.

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

It is a cyclic number.

It is not a de Polignac number, because 1401063 - 2⁵ = 1401031 is a prime.

It is a D-number.

1401063 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401067) 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 3 ways as a sum of consecutive naturals, for example, 233508 + ... + 233513.

It is an arithmetic number, because the mean of its divisors is an integer number (467022).

2^1401063 is an apocalyptic number.

1401063 is a deficient number, since it is larger than the sum of its proper divisors (467025).

1401063 is an equidigital number, since it uses as much as digits as its factorization.

1401063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467024.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1401063 is about 1183.6650708710. The cubic root of 1401063 is about 111.8972005296.

The spelling of 1401063 in words is "one million, four hundred one thousand, sixty-three".