1120123201 has 8 divisors (see below), whose sum is σ = 1141021440. Its totient is φ = 1099288848.

The previous prime is 1120123189. The next prime is 1120123241. The reversal of 1120123201 is 1023210211.

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 1120123201 - 2⁷ = 1120123073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120123241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20175 + ... + 51451.

It is an arithmetic number, because the mean of its divisors is an integer number (142627680).

Almost surely, 2^1120123201 is an apocalyptic number.

It is an amenable number.

1120123201 is a deficient number, since it is larger than the sum of its proper divisors (20898239).

1120123201 is an equidigital number, since it uses as much as digits as its factorization.

1120123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31943.

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

The square root of 1120123201 is about 33468.2416777458. The cubic root of 1120123201 is about 1038.5368975732.

Adding to 1120123201 its reverse (1023210211), we get a palindrome (2143333412).

The spelling of 1120123201 in words is "one billion, one hundred twenty million, one hundred twenty-three thousand, two hundred one".