1355250 has 64 divisors (see below), whose sum is σ = 3669120. Its totient is φ = 331200.

The previous prime is 1355243. The next prime is 1355261. The reversal of 1355250 is 525531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9681 + ... + 9819.

It is an arithmetic number, because the mean of its divisors is an integer number (57330).

2^1355250 is an apocalyptic number.

1355250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1834560).

1355250 is an abundant number, since it is smaller than the sum of its proper divisors (2313870).

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

1355250 is a wasteful number, since it uses less digits than its factorization.

1355250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 1355250 is about 1164.1520519245. The cubic root of 1355250 is about 110.6640275334.

The spelling of 1355250 in words is "one million, three hundred fifty-five thousand, two hundred fifty".