1320230121 has 32 divisors (see below), whose sum is σ = 2040837120. Its totient is φ = 743565504.

The previous prime is 1320230089. The next prime is 1320230123. The reversal of 1320230121 is 1210320231.

1320230121 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1320230121 - 2⁵ = 1320230089 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320230121.

It is not an unprimeable number, because it can be changed into a prime (1320230123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1189915 + ... + 1191023.

It is an arithmetic number, because the mean of its divisors is an integer number (63776160).

Almost surely, 2^1320230121 is an apocalyptic number.

It is an amenable number.

1320230121 is a deficient number, since it is larger than the sum of its proper divisors (720606999).

1320230121 is a wasteful number, since it uses less digits than its factorization.

1320230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1320230121 is about 36334.9710471881. The cubic root of 1320230121 is about 1097.0250527001.

Adding to 1320230121 its reverse (1210320231), we get a palindrome (2530550352).

The spelling of 1320230121 in words is "one billion, three hundred twenty million, two hundred thirty thousand, one hundred twenty-one".