1220979350 has 12 divisors (see below), whose sum is σ = 2271021684. Its totient is φ = 488391720.

The previous prime is 1220979337. The next prime is 1220979359. The reversal of 1220979350 is 539790221.

1220979350 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220979359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12209744 + ... + 12209843.

It is an arithmetic number, because the mean of its divisors is an integer number (189251807).

Almost surely, 2^1220979350 is an apocalyptic number.

1220979350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220979350 is a deficient number, since it is larger than the sum of its proper divisors (1050042334).

1220979350 is a wasteful number, since it uses less digits than its factorization.

1220979350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24419599 (or 24419594 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 1220979350 is about 34942.5149352476. The cubic root of 1220979350 is about 1068.8155729634.

The spelling of 1220979350 in words is "one billion, two hundred twenty million, nine hundred seventy-nine thousand, three hundred fifty".