1100120250 has 64 divisors (see below), whose sum is σ = 2834537472. Its totient is φ = 283896000.

The previous prime is 1100120239. The next prime is 1100120279. The reversal of 1100120250 is 520210011.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 409 + ... + 46908.

It is an arithmetic number, because the mean of its divisors is an integer number (44289648).

Almost surely, 2^1100120250 is an apocalyptic number.

1100120250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100120250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417268736).

1100120250 is an abundant number, since it is smaller than the sum of its proper divisors (1734417222).

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

1100120250 is a wasteful number, since it uses less digits than its factorization.

1100120250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47368 (or 47358 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1100120250 is about 33168.0606909720. The cubic root of 1100120250 is about 1032.3177297475.

Adding to 1100120250 its reverse (520210011), we get a palindrome (1620330261).

The spelling of 1100120250 in words is "one billion, one hundred million, one hundred twenty thousand, two hundred fifty".