1230351 has 4 divisors (see below), whose sum is σ = 1640472. Its totient is φ = 820232.

The previous prime is 1230349. The next prime is 1230367. The reversal of 1230351 is 1530321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230351 - 2¹ = 1230349 is a prime.

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 1230351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230301) 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, 205056 + ... + 205061.

It is an arithmetic number, because the mean of its divisors is an integer number (410118).

2^1230351 is an apocalyptic number.

1230351 is a deficient number, since it is larger than the sum of its proper divisors (410121).

1230351 is an equidigital number, since it uses as much as digits as its factorization.

1230351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410120.

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

The square root of 1230351 is about 1109.2118823741. The cubic root of 1230351 is about 107.1543177582.

Adding to 1230351 its reverse (1530321), we get a palindrome (2760672).

The spelling of 1230351 in words is "one million, two hundred thirty thousand, three hundred fifty-one".