1341520 has 40 divisors (see below), whose sum is σ = 3202920. Its totient is φ = 522240.

The previous prime is 1341493. The next prime is 1341523. The reversal of 1341520 is 251431.

It can be written as a sum of positive squares in 4 ways, for example, as 104976 + 1236544 = 324^2 + 1112^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1341494 and 1341503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3076 + ... + 3484.

It is an arithmetic number, because the mean of its divisors is an integer number (80073).

2^1341520 is an apocalyptic number.

1341520 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 1341520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1601460).

1341520 is an abundant number, since it is smaller than the sum of its proper divisors (1861400).

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

1341520 is a wasteful number, since it uses less digits than its factorization.

1341520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1341520 is about 1158.2400442050. The cubic root of 1341520 is about 110.2890469686.

1341520 divided by its sum of digits (16) gives a triangular number (83845 = T₄₀₉).

Adding to 1341520 its reverse (251431), we get a palindrome (1592951).

The spelling of 1341520 in words is "one million, three hundred forty-one thousand, five hundred twenty".