1400103 has 12 divisors (see below), whose sum is σ = 2141568. Its totient is φ = 878400.

The previous prime is 1400093. The next prime is 1400107. The reversal of 1400103 is 3010041.

It is not a de Polignac number, because 1400103 - 2⁶ = 1400039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

1400103 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4423 + ... + 4728.

It is an arithmetic number, because the mean of its divisors is an integer number (178464).

2^1400103 is an apocalyptic number.

1400103 is a deficient number, since it is larger than the sum of its proper divisors (741465).

1400103 is a wasteful number, since it uses less digits than its factorization.

1400103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9174 (or 9171 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1400103 is about 1183.2594812635. The cubic root of 1400103 is about 111.8716375923.

Adding to 1400103 its reverse (3010041), we get a palindrome (4410144).

The spelling of 1400103 in words is "one million, four hundred thousand, one hundred three".