1213240034 has 8 divisors (see below), whose sum is σ = 1826626140. Its totient is φ = 604364656.

The previous prime is 1213240033. The next prime is 1213240057. The reversal of 1213240034 is 4300423121.

It can be written as a sum of positive squares in 2 ways, for example, as 1200969025 + 12271009 = 34655^2 + 3503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1213239988 and 1213240015.

It is not an unprimeable number, because it can be changed into a prime (1213240033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127009 + ... + 1128084.

Almost surely, 2^1213240034 is an apocalyptic number.

1213240034 is a deficient number, since it is larger than the sum of its proper divisors (613386106).

1213240034 is a wasteful number, since it uses less digits than its factorization.

1213240034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255364.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1213240034 is about 34831.5953410119. The cubic root of 1213240034 is about 1066.5525151063.

Adding to 1213240034 its reverse (4300423121), we get a palindrome (5513663155).

The spelling of 1213240034 in words is "one billion, two hundred thirteen million, two hundred forty thousand, thirty-four".