1120320121 has 8 divisors (see below), whose sum is σ = 1150468200. Its totient is φ = 1090306560.

The previous prime is 1120320107. The next prime is 1120320127. The reversal of 1120320121 is 1210230211.

It can be written as a sum of positive squares in 4 ways, for example, as 7096896 + 1113223225 = 2664^2 + 33365^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1120320121 - 2⁹ = 1120319609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120320127) 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, 16636 + ... + 50173.

It is an arithmetic number, because the mean of its divisors is an integer number (143808525).

Almost surely, 2^1120320121 is an apocalyptic number.

It is an amenable number.

1120320121 is a deficient number, since it is larger than the sum of its proper divisors (30148079).

1120320121 is an equidigital number, since it uses as much as digits as its factorization.

1120320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67259.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1120320121 is about 33471.1834418803. The cubic root of 1120320121 is about 1038.5977529930.

Adding to 1120320121 its reverse (1210230211), we get a palindrome (2330550332).

The spelling of 1120320121 in words is "one billion, one hundred twenty million, three hundred twenty thousand, one hundred twenty-one".