1220340034 has 8 divisors (see below), whose sum is σ = 1830675600. Its totient is φ = 610114836.

The previous prime is 1220339987. The next prime is 1220340047. The reversal of 1220340034 is 4300430221.

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 = 1220339993 and 1220340020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10657 + ... + 50539.

It is an arithmetic number, because the mean of its divisors is an integer number (228834450).

Almost surely, 2^1220340034 is an apocalyptic number.

1220340034 is a deficient number, since it is larger than the sum of its proper divisors (610335566).

1220340034 is a wasteful number, since it uses less digits than its factorization.

1220340034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55184.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1220340034 is about 34933.3656265754. The cubic root of 1220340034 is about 1068.6289931783.

Adding to 1220340034 its reverse (4300430221), we get a palindrome (5520770255).

The spelling of 1220340034 in words is "one billion, two hundred twenty million, three hundred forty thousand, thirty-four".