1301213505 has 8 divisors (see below), whose sum is σ = 2081941632. Its totient is φ = 693980528.

The previous prime is 1301213489. The next prime is 1301213513. The reversal of 1301213505 is 5053121031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1301213505 - 2⁴ = 1301213489 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43373769 + ... + 43373798.

It is an arithmetic number, because the mean of its divisors is an integer number (260242704).

Almost surely, 2^1301213505 is an apocalyptic number.

1301213505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1301213505 is a deficient number, since it is larger than the sum of its proper divisors (780728127).

1301213505 is an equidigital number, since it uses as much as digits as its factorization.

1301213505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86747575.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1301213505 is about 36072.3371158565. The cubic root of 1301213505 is about 1091.7323699424.

Adding to 1301213505 its reverse (5053121031), we get a palindrome (6354334536).

The spelling of 1301213505 in words is "one billion, three hundred one million, two hundred thirteen thousand, five hundred five".