1234342111 has 4 divisors (see below), whose sum is σ = 1234648800. Its totient is φ = 1234035424.

The previous prime is 1234342073. The next prime is 1234342117. The reversal of 1234342111 is 1112434321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1234342111 - 2⁹ = 1234341599 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 (1234342117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147226 + ... + 155383.

It is an arithmetic number, because the mean of its divisors is an integer number (308662200).

Almost surely, 2^1234342111 is an apocalyptic number.

1234342111 is a deficient number, since it is larger than the sum of its proper divisors (306689).

1234342111 is an equidigital number, since it uses as much as digits as its factorization.

1234342111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306688.

The product of its digits is 576, while the sum is 22.

The square root of 1234342111 is about 35133.2052480271. The cubic root of 1234342111 is about 1072.7005794854.

Adding to 1234342111 its reverse (1112434321), we get a palindrome (2346776432).

The spelling of 1234342111 in words is "one billion, two hundred thirty-four million, three hundred forty-two thousand, one hundred eleven".