1220030956 has 12 divisors (see below), whose sum is σ = 2175338592. Its totient is φ = 598505648.

The previous prime is 1220030921. The next prime is 1220030971. The reversal of 1220030956 is 6590300221.

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, 2877220 + ... + 2877643.

It is an arithmetic number, because the mean of its divisors is an integer number (181278216).

Almost surely, 2^1220030956 is an apocalyptic number.

It is an amenable number.

1220030956 is a deficient number, since it is larger than the sum of its proper divisors (955307636).

1220030956 is a wasteful number, since it uses less digits than its factorization.

1220030956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5754920 (or 5754918 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1220030956 is about 34928.9415241859. The cubic root of 1220030956 is about 1068.5387676152.

The spelling of 1220030956 in words is "one billion, two hundred twenty million, thirty thousand, nine hundred fifty-six".