1355430 has 16 divisors (see below), whose sum is σ = 3253104. Its totient is φ = 361440.

The previous prime is 1355429. The next prime is 1355443. The reversal of 1355430 is 345531.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1355397 and 1355406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22561 + ... + 22620.

It is an arithmetic number, because the mean of its divisors is an integer number (203319).

2^1355430 is an apocalyptic number.

1355430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1355430 is an abundant number, since it is smaller than the sum of its proper divisors (1897674).

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

1355430 is a wasteful number, since it uses less digits than its factorization.

1355430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45191.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 1355430 is about 1164.2293588464. The cubic root of 1355430 is about 110.6689266647.

It can be divided in two parts, 135 and 5430, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 1355430 in words is "one million, three hundred fifty-five thousand, four hundred thirty".