1223112134 has 4 divisors (see below), whose sum is σ = 1834668204. Its totient is φ = 611556066.

The previous prime is 1223112119. The next prime is 1223112173. The reversal of 1223112134 is 4312113221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305778032 + ... + 305778035.

It is an arithmetic number, because the mean of its divisors is an integer number (458667051).

Almost surely, 2^1223112134 is an apocalyptic number.

1223112134 is a deficient number, since it is larger than the sum of its proper divisors (611556070).

1223112134 is an equidigital number, since it uses as much as digits as its factorization.

1223112134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611556069.

The product of its digits is 288, while the sum is 20.

The square root of 1223112134 is about 34973.0200869184. The cubic root of 1223112134 is about 1069.4375400059.

Adding to 1223112134 its reverse (4312113221), we get a palindrome (5535225355).

The spelling of 1223112134 in words is "one billion, two hundred twenty-three million, one hundred twelve thousand, one hundred thirty-four".