1350231 has 4 divisors (see below), whose sum is σ = 1800312. Its totient is φ = 900152.

The previous prime is 1350229. The next prime is 1350247. The reversal of 1350231 is 1320531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320531 = 3 ⋅440177.

It is a cyclic number.

It is not a de Polignac number, because 1350231 - 2¹ = 1350229 is a prime.

It is a super-2 number, since 2×1350231² = 3646247506722, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1350231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350331) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 225036 + ... + 225041.

It is an arithmetic number, because the mean of its divisors is an integer number (450078).

2^1350231 is an apocalyptic number.

1350231 is a deficient number, since it is larger than the sum of its proper divisors (450081).

1350231 is an equidigital number, since it uses as much as digits as its factorization.

1350231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450080.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1350231 is about 1161.9944061827. The cubic root of 1350231 is about 110.5272483869.

Adding to 1350231 its reverse (1320531), we get a palindrome (2670762).

The spelling of 1350231 in words is "one million, three hundred fifty thousand, two hundred thirty-one".