1302120421601 has 8 divisors (see below), whose sum is σ = 1311766752384. Its totient is φ = 1292504763760.

The previous prime is 1302120421583. The next prime is 1302120421621. The reversal of 1302120421601 is 1061240212031.

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

It is not a de Polignac number, because 1302120421601 - 2²² = 1302116227297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302120421621) 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, 7583015 + ... + 7752828.

It is an arithmetic number, because the mean of its divisors is an integer number (163970844048).

Almost surely, 2^{1302120421601} is an apocalyptic number.

It is an amenable number.

1302120421601 is a deficient number, since it is larger than the sum of its proper divisors (9646330783).

1302120421601 is a wasteful number, since it uses less digits than its factorization.

1302120421601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15336471.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1302120421601 its reverse (1061240212031), we get a palindrome (2363360633632).

The spelling of 1302120421601 in words is "one trillion, three hundred two billion, one hundred twenty million, four hundred twenty-one thousand, six hundred one".