1341420 has 48 divisors (see below), whose sum is σ = 3816960. Its totient is φ = 351936.

The previous prime is 1341409. The next prime is 1341433. The reversal of 1341420 is 241431.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1341420.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4599 + ... + 4881.

It is an arithmetic number, because the mean of its divisors is an integer number (79520).

2^1341420 is an apocalyptic number.

1341420 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 1341420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1908480).

1341420 is an abundant number, since it is smaller than the sum of its proper divisors (2475540).

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

1341420 is a wasteful number, since it uses less digits than its factorization.

1341420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1341420 is about 1158.1968744562. The cubic root of 1341420 is about 110.2863065004.

Adding to 1341420 its reverse (241431), we get a palindrome (1582851).

The spelling of 1341420 in words is "one million, three hundred forty-one thousand, four hundred twenty".