1301121002 has 8 divisors (see below), whose sum is σ = 1954261956. Its totient is φ = 649700352.

The previous prime is 1301121001. The next prime is 1301121053. The reversal of 1301121002 is 2001211031.

It can be written as a sum of positive squares in 2 ways, for example, as 1061521561 + 239599441 = 32581^2 + 15479^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1301121001) 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 3 ways as a sum of consecutive naturals, for example, 428183 + ... + 431210.

Almost surely, 2^1301121002 is an apocalyptic number.

1301121002 is a deficient number, since it is larger than the sum of its proper divisors (653140954).

1301121002 is an equidigital number, since it uses as much as digits as its factorization.

1301121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860152.

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

The square root of 1301121002 is about 36071.0549055611. The cubic root of 1301121002 is about 1091.7064989862.

Adding to 1301121002 its reverse (2001211031), we get a palindrome (3302332033).

The spelling of 1301121002 in words is "one billion, three hundred one million, one hundred twenty-one thousand, two".