1411220 has 24 divisors (see below), whose sum is σ = 3037608. Its totient is φ = 550400.

The previous prime is 1411219. The next prime is 1411243. The reversal of 1411220 is 221141.

It can be written as a sum of positive squares in 4 ways, for example, as 37636 + 1373584 = 194^2 + 1172^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (126567).

2^1411220 is an apocalyptic number.

1411220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1411220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518804).

1411220 is an abundant number, since it is smaller than the sum of its proper divisors (1626388).

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

1411220 is a wasteful number, since it uses less digits than its factorization.

1411220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1411220 is about 1187.9478103014. The cubic root of 1411220 is about 112.1669491483.

Adding to 1411220 its reverse (221141), we get a palindrome (1632361).

It can be divided in two parts, 14 and 11220, that multiplied together give a triangular number (157080 = T₅₆₀).

The spelling of 1411220 in words is "one million, four hundred eleven thousand, two hundred twenty".