1341621 has 6 divisors (see below), whose sum is σ = 1937910. Its totient is φ = 894408.

The previous prime is 1341619. The next prime is 1341677. The reversal of 1341621 is 1261431.

It is a happy number.

1341621 is a `hidden beast` number, since 1 + 3 + 41 + 621 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1102500 + 239121 = 1050^2 + 489^2 .

It is not a de Polignac number, because 1341621 - 2¹ = 1341619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1341594 and 1341603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341611) 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 5 ways as a sum of consecutive naturals, for example, 74526 + ... + 74543.

It is an arithmetic number, because the mean of its divisors is an integer number (322985).

2^1341621 is an apocalyptic number.

It is an amenable number.

1341621 is a deficient number, since it is larger than the sum of its proper divisors (596289).

1341621 is a wasteful number, since it uses less digits than its factorization.

1341621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149075 (or 149072 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1341621 is about 1158.2836440182. The cubic root of 1341621 is about 110.2918147033.

The spelling of 1341621 in words is "one million, three hundred forty-one thousand, six hundred twenty-one".