1220878050 has 48 divisors (see below), whose sum is σ = 3460320192. Its totient is φ = 279057600.

The previous prime is 1220878039. The next prime is 1220878067. The reversal of 1220878050 is 508780221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 580321 + ... + 582420.

It is an arithmetic number, because the mean of its divisors is an integer number (72090004).

Almost surely, 2^1220878050 is an apocalyptic number.

1220878050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220878050 is an abundant number, since it is smaller than the sum of its proper divisors (2239442142).

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

1220878050 is a wasteful number, since it uses less digits than its factorization.

1220878050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162763 (or 1162758 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 1220878050 is about 34941.0653815822. The cubic root of 1220878050 is about 1068.7860136286.

The spelling of 1220878050 in words is "one billion, two hundred twenty million, eight hundred seventy-eight thousand, fifty".