1220745350 has 96 divisors (see below), whose sum is σ = 2644625376. Its totient is φ = 414310400.

The previous prime is 1220745301. The next prime is 1220745397. The reversal of 1220745350 is 535470221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1280474 + ... + 1281426.

It is an arithmetic number, because the mean of its divisors is an integer number (27548181).

Almost surely, 2^1220745350 is an apocalyptic number.

1220745350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220745350 is an abundant number, since it is smaller than the sum of its proper divisors (1423880026).

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

1220745350 is a wasteful number, since it uses less digits than its factorization.

1220745350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 1220745350 is about 34939.1664182190. The cubic root of 1220745350 is about 1068.7472893015.

The spelling of 1220745350 in words is "one billion, two hundred twenty million, seven hundred forty-five thousand, three hundred fifty".