120001201501 has 2 divisors, whose sum is σ = 120001201502. Its totient is φ = 120001201500.

The previous prime is 120001201483. The next prime is 120001201511. The reversal of 120001201501 is 105102100021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65571844900 + 54429356601 = 256070^2 + 233301^2 .

It is an emirp because it is prime and its reverse (105102100021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120001201501 - 2²⁷ = 119866983773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120001201511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000600750 + 60000600751.

It is an arithmetic number, because the mean of its divisors is an integer number (60000600751).

Almost surely, 2^120001201501 is an apocalyptic number.

It is an amenable number.

120001201501 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001201501 is an equidigital number, since it uses as much as digits as its factorization.

120001201501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 120001201501 its reverse (105102100021), we get a palindrome (225103301522).

The spelling of 120001201501 in words is "one hundred twenty billion, one million, two hundred one thousand, five hundred one".