1299430 has 16 divisors (see below), whose sum is σ = 2551824. Its totient is φ = 472480.

The previous prime is 1299379. The next prime is 1299437. The reversal of 1299430 is 349921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5797 + ... + 6016.

It is an arithmetic number, because the mean of its divisors is an integer number (159489).

2^1299430 is an apocalyptic number.

1299430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1299430 is a deficient number, since it is larger than the sum of its proper divisors (1252394).

1299430 is a wasteful number, since it uses less digits than its factorization.

1299430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11831.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1299430 is about 1139.9254361580. The cubic root of 1299430 is about 109.1233348475.

It can be divided in two parts, 129 and 9430, that added together give a palindrome (9559).

The spelling of 1299430 in words is "one million, two hundred ninety-nine thousand, four hundred thirty".