1355120 has 40 divisors (see below), whose sum is σ = 3395616. Its totient is φ = 499968.

The previous prime is 1355119. The next prime is 1355129. The reversal of 1355120 is 215531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355129) 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, 389 + ... + 1691.

2^1355120 is an apocalyptic number.

1355120 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 1355120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697808).

1355120 is an abundant number, since it is smaller than the sum of its proper divisors (2040496).

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

1355120 is a wasteful number, since it uses less digits than its factorization.

1355120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1355120 is about 1164.0962159547. The cubic root of 1355120 is about 110.6604890021.

The spelling of 1355120 in words is "one million, three hundred fifty-five thousand, one hundred twenty".