1300120121 has 8 divisors (see below), whose sum is σ = 1319073984. Its totient is φ = 1281184240.

The previous prime is 1300120013. The next prime is 1300120123. The reversal of 1300120121 is 1210210031.

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 1300120121 - 2²² = 1295925817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300120123) 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, 224555 + ... + 230271.

It is an arithmetic number, because the mean of its divisors is an integer number (164884248).

Almost surely, 2^1300120121 is an apocalyptic number.

It is an amenable number.

1300120121 is a deficient number, since it is larger than the sum of its proper divisors (18953863).

1300120121 is an equidigital number, since it uses as much as digits as its factorization.

1300120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8991.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1300120121 is about 36057.1784947186. The cubic root of 1300120121 is about 1091.4264972064.

Adding to 1300120121 its reverse (1210210031), we get a palindrome (2510330152).

The spelling of 1300120121 in words is "one billion, three hundred million, one hundred twenty thousand, one hundred twenty-one".