1220964794 has 8 divisors (see below), whose sum is σ = 2093082528. Its totient is φ = 523270620.

The previous prime is 1220964779. The next prime is 1220964809. The reversal of 1220964794 is 4974690221.

It is an interprime number because it is at equal distance from previous prime (1220964779) and next prime (1220964809).

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

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, 43605872 + ... + 43605899.

It is an arithmetic number, because the mean of its divisors is an integer number (261635316).

Almost surely, 2^1220964794 is an apocalyptic number.

1220964794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1220964794 is a deficient number, since it is larger than the sum of its proper divisors (872117734).

1220964794 is an equidigital number, since it uses as much as digits as its factorization.

1220964794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87211780.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 1220964794 is about 34942.3066496761. The cubic root of 1220964794 is about 1068.8113256239.

The spelling of 1220964794 in words is "one billion, two hundred twenty million, nine hundred sixty-four thousand, seven hundred ninety-four".