1421116 has 12 divisors (see below), whose sum is σ = 2572920. Its totient is φ = 686000.

The previous prime is 1421113. The next prime is 1421141. The reversal of 1421116 is 6111241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6010 + ... + 6241.

It is an arithmetic number, because the mean of its divisors is an integer number (214410).

2^1421116 is an apocalyptic number.

It is an amenable number.

1421116 is a deficient number, since it is larger than the sum of its proper divisors (1151804).

1421116 is a wasteful number, since it uses less digits than its factorization.

1421116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12284 (or 12282 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 1421116 is about 1192.1057000115. The cubic root of 1421116 is about 112.4285241454.

Adding to 1421116 its reverse (6111241), we get a palindrome (7532357).

It can be divided in two parts, 1421 and 116, that multiplied together give a square (164836 = 406²).

The spelling of 1421116 in words is "one million, four hundred twenty-one thousand, one hundred sixteen".