1301302121 has 8 divisors (see below), whose sum is σ = 1487489280. Its totient is φ = 1115186688.

The previous prime is 1301302117. The next prime is 1301302133. The reversal of 1301302121 is 1212031031.

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

It is not a de Polignac number, because 1301302121 - 2² = 1301302117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1301302096 and 1301302105.

It is not an unprimeable number, because it can be changed into a prime (1301302151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29225 + ... + 58793.

It is an arithmetic number, because the mean of its divisors is an integer number (185936160).

Almost surely, 2^1301302121 is an apocalyptic number.

It is an amenable number.

1301302121 is a deficient number, since it is larger than the sum of its proper divisors (186187159).

1301302121 is an equidigital number, since it uses as much as digits as its factorization.

1301302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35863.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1301302121 is about 36073.5654046006. The cubic root of 1301302121 is about 1091.7571526444.

Adding to 1301302121 its reverse (1212031031), we get a palindrome (2513333152).

The spelling of 1301302121 in words is "one billion, three hundred one million, three hundred two thousand, one hundred twenty-one".