1352020728 has 16 divisors (see below), whose sum is σ = 3380051880. Its totient is φ = 450673568.

The previous prime is 1352020721. The next prime is 1352020751. The reversal of 1352020728 is 8270202531.

It is a junction number, because it is equal to n+sod(n) for n = 1352020695 and 1352020704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352020721) 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, 28167075 + ... + 28167122.

Almost surely, 2^1352020728 is an apocalyptic number.

It is an amenable number.

1352020728 is an abundant number, since it is smaller than the sum of its proper divisors (2028031152).

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

1352020728 is a wasteful number, since it uses less digits than its factorization.

1352020728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56334206 (or 56334202 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1352020728 is about 36769.8344842617. The cubic root of 1352020728 is about 1105.7606136164.

The spelling of 1352020728 in words is "one billion, three hundred fifty-two million, twenty thousand, seven hundred twenty-eight".