1353520 has 40 divisors (see below), whose sum is σ = 3597984. Its totient is φ = 463872.

The previous prime is 1353487. The next prime is 1353551. The reversal of 1353520 is 253531.

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

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, 649 + ... + 1768.

2^1353520 is an apocalyptic number.

1353520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1353520 is an abundant number, since it is smaller than the sum of its proper divisors (2244464).

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

1353520 is a wasteful number, since it uses less digits than its factorization.

1353520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437 (or 2431 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 1353520 is about 1163.4087845637. The cubic root of 1353520 is about 110.6169193029.

It can be divided in two parts, 135 and 3520, that added together give a triangular number (3655 = T₈₅).

The spelling of 1353520 in words is "one million, three hundred fifty-three thousand, five hundred twenty".