1405061 has 4 divisors (see below), whose sum is σ = 1605792. Its totient is φ = 1204332.

The previous prime is 1405039. The next prime is 1405087. The reversal of 1405061 is 1605041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1405061 - 2¹⁸ = 1142917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405361) 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, 100355 + ... + 100368.

It is an arithmetic number, because the mean of its divisors is an integer number (401448).

2^1405061 is an apocalyptic number.

It is an amenable number.

1405061 is a deficient number, since it is larger than the sum of its proper divisors (200731).

1405061 is an equidigital number, since it uses as much as digits as its factorization.

1405061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200730.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1405061 is about 1185.3526901307. The cubic root of 1405061 is about 112.0035341147.

The spelling of 1405061 in words is "one million, four hundred five thousand, sixty-one".