1301002121 has 8 divisors (see below), whose sum is σ = 1315196064. Its totient is φ = 1286824320.

The previous prime is 1301002111. The next prime is 1301002127. The reversal of 1301002121 is 1212001031.

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 1301002121 - 2⁶ = 1301002057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301002127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231086 + ... + 236648.

It is an arithmetic number, because the mean of its divisors is an integer number (164399508).

Almost surely, 2^1301002121 is an apocalyptic number.

It is an amenable number.

1301002121 is a deficient number, since it is larger than the sum of its proper divisors (14193943).

1301002121 is an equidigital number, since it uses as much as digits as its factorization.

1301002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8071.

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

The square root of 1301002121 is about 36069.4069954026. The cubic root of 1301002121 is about 1091.6732489111.

Adding to 1301002121 its reverse (1212001031), we get a palindrome (2513003152).

The spelling of 1301002121 in words is "one billion, three hundred one million, two thousand, one hundred twenty-one".