1401103 has 4 divisors (see below), whose sum is σ = 1528488. Its totient is φ = 1273720.

The previous prime is 1401083. The next prime is 1401119. The reversal of 1401103 is 3011041.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401103 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1401103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63676 + ... + 63697.

It is an arithmetic number, because the mean of its divisors is an integer number (382122).

2^1401103 is an apocalyptic number.

1401103 is a deficient number, since it is larger than the sum of its proper divisors (127385).

1401103 is a wasteful number, since it uses less digits than its factorization.

1401103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127384.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1401103 is about 1183.6819674220. The cubic root of 1401103 is about 111.8982653985.

Adding to 1401103 its reverse (3011041), we get a palindrome (4412144).

It can be divided in two parts, 1 and 401103, that added together give a palindrome (401104).

The spelling of 1401103 in words is "one million, four hundred one thousand, one hundred three".