1405107 has 40 divisors (see below), whose sum is σ = 2439360. Its totient is φ = 797040.

The previous prime is 1405099. The next prime is 1405109. The reversal of 1405107 is 7015041.

It is not a de Polignac number, because 1405107 - 2³ = 1405099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1405107.

It is not an unprimeable number, because it can be changed into a prime (1405109) 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 39 ways as a sum of consecutive naturals, for example, 16888 + ... + 16970.

It is an arithmetic number, because the mean of its divisors is an integer number (60984).

2^1405107 is an apocalyptic number.

1405107 is a deficient number, since it is larger than the sum of its proper divisors (1034253).

1405107 is a wasteful number, since it uses less digits than its factorization.

1405107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1405107 is about 1185.3720934795. The cubic root of 1405107 is about 112.0047563881.

The spelling of 1405107 in words is "one million, four hundred five thousand, one hundred seven".