1300180421 has 4 divisors (see below), whose sum is σ = 1308157152. Its totient is φ = 1292203692.

The previous prime is 1300180381. The next prime is 1300180423. The reversal of 1300180421 is 1240810031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1240810031 = 661 ⋅1877171.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300180421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300180393 and 1300180402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300180423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3988121 + ... + 3988446.

It is an arithmetic number, because the mean of its divisors is an integer number (327039288).

Almost surely, 2^1300180421 is an apocalyptic number.

It is an amenable number.

1300180421 is a deficient number, since it is larger than the sum of its proper divisors (7976731).

1300180421 is an equidigital number, since it uses as much as digits as its factorization.

1300180421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976730.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1300180421 is about 36058.0146569386. The cubic root of 1300180421 is about 1091.4433705192.

Adding to 1300180421 its reverse (1240810031), we get a palindrome (2540990452).

The spelling of 1300180421 in words is "one billion, three hundred million, one hundred eighty thousand, four hundred twenty-one".