1406121 has 16 divisors (see below), whose sum is σ = 2016000. Its totient is φ = 868608.

The previous prime is 1406101. The next prime is 1406159. The reversal of 1406121 is 1216041.

It is not a de Polignac number, because 1406121 - 2⁵ = 1406089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1406121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406101) 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, 3855 + ... + 4203.

It is an arithmetic number, because the mean of its divisors is an integer number (126000).

2^1406121 is an apocalyptic number.

It is an amenable number.

1406121 is a deficient number, since it is larger than the sum of its proper divisors (609879).

1406121 is a wasteful number, since it uses less digits than its factorization.

1406121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1406121 is about 1185.7997301400. The cubic root of 1406121 is about 112.0316927742.

The spelling of 1406121 in words is "one million, four hundred six thousand, one hundred twenty-one".