1407005 has 8 divisors (see below), whose sum is σ = 1787832. Its totient is φ = 1059328.

The previous prime is 1406983. The next prime is 1407011. The reversal of 1407005 is 5007041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 669124 + 737881 = 818^2 + 859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1407005 - 2¹⁴ = 1390621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8192 + ... + 8361.

It is an arithmetic number, because the mean of its divisors is an integer number (223479).

2^1407005 is an apocalyptic number.

It is an amenable number.

1407005 is a deficient number, since it is larger than the sum of its proper divisors (380827).

1407005 is a wasteful number, since it uses less digits than its factorization.

1407005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16575.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 1407005 is about 1186.1724157980. The cubic root of 1407005 is about 112.0551652136.

It can be divided in two parts, 140 and 7005, that multiplied together give a triangular number (980700 = T₁₄₀₀).

The spelling of 1407005 in words is "one million, four hundred seven thousand, five".