1220600634 has 32 divisors (see below), whose sum is σ = 2749040640. Its totient is φ = 357946800.

The previous prime is 1220600609. The next prime is 1220600687. The reversal of 1220600634 is 4360060221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296244 + ... + 300335.

It is an arithmetic number, because the mean of its divisors is an integer number (85907520).

Almost surely, 2^1220600634 is an apocalyptic number.

1220600634 is an abundant number, since it is smaller than the sum of its proper divisors (1528440006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220600634 is a wasteful number, since it uses less digits than its factorization.

1220600634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596626.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1220600634 is about 34937.0953858503. The cubic root of 1220600634 is about 1068.7050552831.

Adding to 1220600634 its reverse (4360060221), we get a palindrome (5580660855).

The spelling of 1220600634 in words is "one billion, two hundred twenty million, six hundred thousand, six hundred thirty-four".