1301004243 has 72 divisors (see below), whose sum is σ = 2396038320. Its totient is φ = 672658560.

The previous prime is 1301004241. The next prime is 1301004281. The reversal of 1301004243 is 3424001031.

It is not a de Polignac number, because 1301004243 - 2¹ = 1301004241 is a prime.

It is a super-2 number, since 2×1301004243² = 3385224080608006098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1301004241) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1304421 + ... + 1305417.

It is an arithmetic number, because the mean of its divisors is an integer number (33278310).

Almost surely, 2^1301004243 is an apocalyptic number.

1301004243 is a deficient number, since it is larger than the sum of its proper divisors (1095034077).

1301004243 is a wasteful number, since it uses less digits than its factorization.

1301004243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1287 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1301004243 is about 36069.4364109006. The cubic root of 1301004243 is about 1091.6738424355.

Adding to 1301004243 its reverse (3424001031), we get a palindrome (4725005274).

The spelling of 1301004243 in words is "one billion, three hundred one million, four thousand, two hundred forty-three".