1120123011 has 8 divisors (see below), whose sum is σ = 1706854144. Its totient is φ = 640070280.

The previous prime is 1120123007. The next prime is 1120123019. The reversal of 1120123011 is 1103210211.

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

It is not a de Polignac number, because 1120123011 - 2² = 1120123007 is a prime.

It is a super-2 number, since 2×1120123011² = 2509351119543412242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120123019) 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, 26669575 + ... + 26669616.

It is an arithmetic number, because the mean of its divisors is an integer number (213356768).

Almost surely, 2^1120123011 is an apocalyptic number.

1120123011 is a deficient number, since it is larger than the sum of its proper divisors (586731133).

1120123011 is an equidigital number, since it uses as much as digits as its factorization.

1120123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53339201.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1120123011 is about 33468.2388392338. The cubic root of 1120123011 is about 1038.5368388529.

Adding to 1120123011 its reverse (1103210211), we get a palindrome (2223333222).

The spelling of 1120123011 in words is "one billion, one hundred twenty million, one hundred twenty-three thousand, eleven".