1302123430 has 8 divisors (see below), whose sum is σ = 2343822192. Its totient is φ = 520849368.

The previous prime is 1302123421. The next prime is 1302123439. The reversal of 1302123430 is 343212031.

It is an interprime number because it is at equal distance from previous prime (1302123421) and next prime (1302123439).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1302123398 and 1302123407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302123439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65106162 + ... + 65106181.

It is an arithmetic number, because the mean of its divisors is an integer number (292977774).

Almost surely, 2^1302123430 is an apocalyptic number.

1302123430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1302123430 is a deficient number, since it is larger than the sum of its proper divisors (1041698762).

1302123430 is a wasteful number, since it uses less digits than its factorization.

1302123430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130212350.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1302123430 is about 36084.9474157854. The cubic root of 1302123430 is about 1091.9867896580.

Adding to 1302123430 its reverse (343212031), we get a palindrome (1645335461).

The spelling of 1302123430 in words is "one billion, three hundred two million, one hundred twenty-three thousand, four hundred thirty".