1233120109 has 16 divisors (see below), whose sum is σ = 1419259968. Its totient is φ = 1061275392.

The previous prime is 1233120067. The next prime is 1233120167. The reversal of 1233120109 is 9010213321.

It is a cyclic number.

It is not a de Polignac number, because 1233120109 - 2⁷ = 1233119981 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 1233120109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233120169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2427 + ... + 49720.

It is an arithmetic number, because the mean of its divisors is an integer number (88703748).

Almost surely, 2^1233120109 is an apocalyptic number.

It is an amenable number.

1233120109 is a deficient number, since it is larger than the sum of its proper divisors (186139859).

1233120109 is a wasteful number, since it uses less digits than its factorization.

1233120109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52284.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1233120109 is about 35115.8099579093. The cubic root of 1233120109 is about 1072.3464704533.

The spelling of 1233120109 in words is "one billion, two hundred thirty-three million, one hundred twenty thousand, one hundred nine".