1400105 has 16 divisors (see below), whose sum is σ = 1943040. Its totient is φ = 948672.

The previous prime is 1400093. The next prime is 1400107. The reversal of 1400105 is 5010041.

It is a cyclic number.

It is not a de Polignac number, because 1400105 - 2¹⁶ = 1334569 is a prime.

It is a super-2 number, since 2×1400105² = 3920588022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400107) 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 15 ways as a sum of consecutive naturals, for example, 3632 + ... + 3998.

It is an arithmetic number, because the mean of its divisors is an integer number (121440).

2^1400105 is an apocalyptic number.

It is an amenable number.

1400105 is a deficient number, since it is larger than the sum of its proper divisors (542935).

1400105 is a wasteful number, since it uses less digits than its factorization.

1400105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 1400105 is about 1183.2603263864. The cubic root of 1400105 is about 111.8716908606.

Adding to 1400105 its reverse (5010041), we get a palindrome (6410146).

The spelling of 1400105 in words is "one million, four hundred thousand, one hundred five".