1303000427 has 4 divisors (see below), whose sum is σ = 1325085240. Its totient is φ = 1280915616.

The previous prime is 1303000409. The next prime is 1303000469. The reversal of 1303000427 is 7240003031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7240003031 = 36061 ⋅200771.

It is a cyclic number.

It is not a de Polignac number, because 1303000427 - 2¹⁶ = 1302934891 is a prime.

It is a super-2 number, since 2×1303000427² = 3395620225524364658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303000399 and 1303000408.

It is not an unprimeable number, because it can be changed into a prime (1303000477) 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, 11042318 + ... + 11042435.

It is an arithmetic number, because the mean of its divisors is an integer number (331271310).

Almost surely, 2^1303000427 is an apocalyptic number.

1303000427 is a deficient number, since it is larger than the sum of its proper divisors (22084813).

1303000427 is an equidigital number, since it uses as much as digits as its factorization.

1303000427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22084812.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 1303000427 is about 36097.0972101636. The cubic root of 1303000427 is about 1092.2318903902.

Adding to 1303000427 its reverse (7240003031), we get a palindrome (8543003458).

The spelling of 1303000427 in words is "one billion, three hundred three million, four hundred twenty-seven", and thus it is an aban number.