1230355111 has 8 divisors (see below), whose sum is σ = 1240551200. Its totient is φ = 1220199552.

The previous prime is 1230355109. The next prime is 1230355141. The reversal of 1230355111 is 1115530321.

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 1230355111 - 2¹ = 1230355109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230355141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52411 + ... + 72163.

It is an arithmetic number, because the mean of its divisors is an integer number (155068900).

Almost surely, 2^1230355111 is an apocalyptic number.

1230355111 is a deficient number, since it is larger than the sum of its proper divisors (10196089).

1230355111 is a wasteful number, since it uses less digits than its factorization.

1230355111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20265.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1230355111 is about 35076.4181609240. The cubic root of 1230355111 is about 1071.5443710378.

Adding to 1230355111 its reverse (1115530321), we get a palindrome (2345885432).

The spelling of 1230355111 in words is "one billion, two hundred thirty million, three hundred fifty-five thousand, one hundred eleven".