1301133215 has 4 divisors (see below), whose sum is σ = 1561359864. Its totient is φ = 1040906568.

The previous prime is 1301133193. The next prime is 1301133217. The reversal of 1301133215 is 5123311031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5123311031 = 19 ⋅269647949.

It is a cyclic number.

It is not a de Polignac number, because 1301133215 - 2¹⁶ = 1301067679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301133217) 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, 130113317 + ... + 130113326.

It is an arithmetic number, because the mean of its divisors is an integer number (390339966).

Almost surely, 2^1301133215 is an apocalyptic number.

1301133215 is a deficient number, since it is larger than the sum of its proper divisors (260226649).

1301133215 is an equidigital number, since it uses as much as digits as its factorization.

1301133215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260226648.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1301133215 is about 36071.2241960264. The cubic root of 1301133215 is about 1091.7099147510.

Adding to 1301133215 its reverse (5123311031), we get a palindrome (6424444246).

The spelling of 1301133215 in words is "one billion, three hundred one million, one hundred thirty-three thousand, two hundred fifteen".