1230442111 has 8 divisors (see below), whose sum is σ = 1270763648. Its totient is φ = 1190160000.

The previous prime is 1230442091. The next prime is 1230442151. The reversal of 1230442111 is 1112440321.

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 1230442111 - 2⁵ = 1230442079 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 (1230442151) 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, 62011 + ... + 79411.

It is an arithmetic number, because the mean of its divisors is an integer number (158845456).

Almost surely, 2^1230442111 is an apocalyptic number.

1230442111 is a deficient number, since it is larger than the sum of its proper divisors (40321537).

1230442111 is a wasteful number, since it uses less digits than its factorization.

1230442111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19713.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1230442111 is about 35077.6582884320. The cubic root of 1230442111 is about 1071.5696272050.

Adding to 1230442111 its reverse (1112440321), we get a palindrome (2342882432).

The spelling of 1230442111 in words is "one billion, two hundred thirty million, four hundred forty-two thousand, one hundred eleven".