1241406 has 40 divisors (see below), whose sum is σ = 2845920. Its totient is φ = 404352.

The previous prime is 1241389. The next prime is 1241407. The reversal of 1241406 is 6041421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241407) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12750 + ... + 12846.

It is an arithmetic number, because the mean of its divisors is an integer number (71148).

2^1241406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422960).

1241406 is an abundant number, since it is smaller than the sum of its proper divisors (1604514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1241406 is an equidigital number, since it uses as much as digits as its factorization.

1241406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1241406 is about 1114.1840063472. The cubic root of 1241406 is about 107.4742970820.

Adding to 1241406 its reverse (6041421), we get a palindrome (7282827).

The spelling of 1241406 in words is "one million, two hundred forty-one thousand, four hundred six".