1213004134 has 4 divisors (see below), whose sum is σ = 1819506204. Its totient is φ = 606502066.

The previous prime is 1213004119. The next prime is 1213004159. The reversal of 1213004134 is 4314003121.

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, 303251032 + ... + 303251035.

It is an arithmetic number, because the mean of its divisors is an integer number (454876551).

Almost surely, 2^1213004134 is an apocalyptic number.

1213004134 is a deficient number, since it is larger than the sum of its proper divisors (606502070).

1213004134 is an equidigital number, since it uses as much as digits as its factorization.

1213004134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606502069.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1213004134 is about 34828.2088830304. The cubic root of 1213004134 is about 1066.4833845029.

Adding to 1213004134 its reverse (4314003121), we get a palindrome (5527007255).

The spelling of 1213004134 in words is "one billion, two hundred thirteen million, four thousand, one hundred thirty-four".