1355072 has 28 divisors (see below), whose sum is σ = 2779776. Its totient is φ = 654720.

The previous prime is 1355071. The next prime is 1355089. The reversal of 1355072 is 2705531.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643 + ... + 2325.

2^1355072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1389888).

1355072 is an abundant number, since it is smaller than the sum of its proper divisors (1424704).

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

1355072 is an equidigital number, since it uses as much as digits as its factorization.

1355072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 1355072 is about 1164.0755989196. The cubic root of 1355072 is about 110.6591824103.

The spelling of 1355072 in words is "one million, three hundred fifty-five thousand, seventy-two".