1302130043 has 4 divisors (see below), whose sum is σ = 1302563808. Its totient is φ = 1301696280.

The previous prime is 1302130031. The next prime is 1302130051. The reversal of 1302130043 is 3400312031.

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: 3400312031 = 29 ⋅117252139.

It is a cyclic number.

It is not a de Polignac number, because 1302130043 - 2¹⁶ = 1302064507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302130003) 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, 212348 + ... + 218393.

It is an arithmetic number, because the mean of its divisors is an integer number (325640952).

Almost surely, 2^1302130043 is an apocalyptic number.

1302130043 is a deficient number, since it is larger than the sum of its proper divisors (433765).

1302130043 is an equidigital number, since it uses as much as digits as its factorization.

1302130043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433764.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1302130043 is about 36085.0390466742. The cubic root of 1302130043 is about 1091.9886382530.

Adding to 1302130043 its reverse (3400312031), we get a palindrome (4702442074).

The spelling of 1302130043 in words is "one billion, three hundred two million, one hundred thirty thousand, forty-three".