1220030458 has 16 divisors (see below), whose sum is σ = 1857087720. Its totient is φ = 601019136.

The previous prime is 1220030411. The next prime is 1220030467. The reversal of 1220030458 is 8540300221.

It can be written as a sum of positive squares in 4 ways, for example, as 660849849 + 559180609 = 25707^2 + 23647^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152166 + ... + 159982.

Almost surely, 2^1220030458 is an apocalyptic number.

1220030458 is a deficient number, since it is larger than the sum of its proper divisors (637057262).

1220030458 is a wasteful number, since it uses less digits than its factorization.

1220030458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8961.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1220030458 is about 34928.9343954264. The cubic root of 1220030458 is about 1068.5386222275.

Adding to 1220030458 its reverse (8540300221), we get a palindrome (9760330679).

The spelling of 1220030458 in words is "one billion, two hundred twenty million, thirty thousand, four hundred fifty-eight".