1320234101 has 4 divisors (see below), whose sum is σ = 1320555852. Its totient is φ = 1319912352.

The previous prime is 1320234067. The next prime is 1320234119. The reversal of 1320234101 is 1014320231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1014320231 = 2719 ⋅373049.

It can be written as a sum of positive squares in 2 ways, for example, as 677560900 + 642673201 = 26030^2 + 25351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320234101 - 2¹⁰ = 1320233077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320234101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320234151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154640 + ... + 162953.

It is an arithmetic number, because the mean of its divisors is an integer number (330138963).

Almost surely, 2^1320234101 is an apocalyptic number.

It is an amenable number.

1320234101 is a deficient number, since it is larger than the sum of its proper divisors (321751).

1320234101 is an equidigital number, since it uses as much as digits as its factorization.

1320234101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321750.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1320234101 is about 36335.0258153204. The cubic root of 1320234101 is about 1097.0261550724.

Adding to 1320234101 its reverse (1014320231), we get a palindrome (2334554332).

The spelling of 1320234101 in words is "one billion, three hundred twenty million, two hundred thirty-four thousand, one hundred one".